460 Efi High Idle

I'm betting the MAP sensor is seeing the idle surge and is freaking out. This problem happens when the engine has just warmed up and the idle comes down from warm up high idle. Also Banks makes headers that work well but for the additional $400+ over the Doug Thorleys it was hard to justify, on the Dyno the difference probably is.   A local mechanic said it was a combination of the high ethanol gas and the altitude, and to add octane baoster. It's located on the side of TB and has 4 wire connector hooked to it. As an example, it happens quite a bit when I get off the fwy having rode for about 15-20 minutes at high fwy speeds. MechanicAdvice) submitted 3 years ago by 351gdjp Installed a new manifold and Holley 4160 carb and I'm idling at 1800 rpm. 0 Resto Idle Air Control Adjuster This 5. If an efi 460 gets 8 in town and 13 on the highway in a 1990 3/4 ton 4x4 that weighs about 6500 lbs, then it's easy to think that in my 5400 lb truck it would do better, right? I mean, my 360 gets single digit economy and is a slug, so a 460 (factory rated at 240 hp and 390 lbft) that gets 13 hwy mpg sounds pretty good to me. Idle RPM to High 06-03-2012, 04:26 PM. Plowed with it for 10 minutes then the RPM's went crazy high in 3800 rpms when it was in park. com, the official website for Hot Rod Magazine. I've bought the. Here is my problem (which started last year toward the end of the season): The Mercruiser 5. it does this when in park and neutral. ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. 1986-1993 Mustang 5. Running on 255 for now, will stage 340 in I open the bottle ENGINE VACUUM: ~7in at idle CAM SETTING (1,2,3, or 4) AND YOUR CAM SPECS: Started with 4, now a custom VE surface. Guaranteed lowest price!. Watching the tachometer shows an idle speed around 500 to 900 RPM. It ran ok with the efi until he downshifted on the road course to 1st gear instead of 3rd. I have a 2002 Dauntless 16 with a Mercury 90-HP FOURSTROKE. The top end was recently rebuilt with a rv cam. We brought the Nomad back on the rollers after a little bit of driving to allow the ECU to learn and make some adjustments. The Air/Fuel Ratio has changed to 14. new water pump. 1 at idle, 14. Browse EFI’s Fiery digital printing solutions, including our digital front ends and digital printing software, for complete production workflow solutions. It may do a code, as an example something like 4 flashes then 2 flashes which reads as 42. Adjust both carbs two full turns toward rich, expecting it to run rich at idle, then take another acceleration run. 85-inch s BIG BLOCK FORD HORSEPOWER CHART INFO gathered by DJOHAGIN The idle and cruising circuits. I'm using a Carrera intake with my EFI and I just can't get idle to drop below 1400 RPM. 86-93 MUSTANG 5. Finish connecting the other hoses. According to my manual, idle is 6° btdc and at 3500 rpm should be 25° btdc. the idle is stuttering, bocking and goes at fue seconds out with a bang. It's a valve that sets how much air enters your engine at idle with a solenoid that goes in and out with a rubber tip on the end. High Energy Hydraulic Flat Tappet Camshaft, Hydraulic-Good cam for everyday performance driving or heavy towing with low gears. Idle Air Control (IAC) Valve Choose for Me to Minimize Cost Related Parts Air Intake / Charge Temperature Sensor Emission Repair Manual Fuel System Repair Manual Idle Air Control (IAC) Valve Connector Throttle Position Sensor (TPS). Apologies if this is an old subject but I’ve only just acquired a 1993 Plus8 3. The Elevated Idle function in the scan tool will disable or enable this feature. 460 efi idling problems 12A697 is the FORD Basic PN for the Coolant Temperature Sensor. 509) High idle problem on 460 Help. It's located on the side of TB and has 4 wire connector hooked to it. You may also notice a high idle if the valve is stuck in the open position. Subaru Genuine - $2,500. thanks for all of he advice. I found a DeTomaso Pantera AND I could afford it! The car is a 1984 GT5, with all the flares and wings: Carburettor The only real problem I have with it is driveability. Central Downtown, Chevy Chase-Ashland Park, Douglas Park, Duncan Park, Eastern State Hospital, Elkhorn Parks-Radcliff, Hollow Creek, Idle Hour, Northland, Warrenton-Harmitage Hills-Pinehurst Eastland, Lexington-Fayette, Kentucky (Neighborhood). • No fuel in tank • Restricted tank vent, or routed improperly • Fuel lines or fuel injectors. This is common on fuel injected bikes with closed loop EFI. You may have to register before you can post: click the register link above to proceed. Make sure the engine is at normal operating temperature before adjusting the idle RPM. The Air/Fuel Ratio has changed to 14. Efi Live Tuner 13 To 17 Dodge Ram 6. I have eliminated this system, as I see it prone to failure. Related: ford 460 heads ford 460 headers ford 429 intake manifold 460 intake manifold 1987 ford f-250 xl 7. it will surge at idle and when the throttle is dropped quickly it will stall. the iac when i reset it will close and the motor will idle at 700 rpm for about 3 seconds and then go right up to 2200 rpm. It will start, run about 2 seconds, then dies. You are not going to get much help from that system for diagnostics. Notice that the values range from low at idle to high at wide open throttle. Some EFI interfaces even allow you to make your fuel mapping changes with the engine running, so you have the option of adjusting the fuel map while looking at the LM-1’s Air/Fuel Ratio display. 0 EFI in my 2002 Chap 240 starts fine and gets up to good high speed (3500+ RPM), the boat will plane fine and then after about 3 to 5 minutes into the ride the engine suddenly cuts down to a very rough idle speed and wile it will not shot off completely. I have had a problem where the motor acts like it is running out of fuel and loses power. I have a fuel pressure regulator and it stays rock solid at 39lbs. I have two issues with my EZ EFI 1. They have changed the design to a turbine instead of the diaphram. You might unplug them and see if they are gunked up with stuff. but it didnt fault and i am getting in range numbers from it. Available in 1 5/8" bores for 600 cfm holley, 1 11/16" for 750 cfm holley and 1 3/4" for 850 and 950 HP carbs (shown). When it was clean I replaced the throttle body gasket (part # 22271-50010) with a new one. Sometimes it. We tweaked this a bit for when the engine warms up. Ok, hopefully someone has a suggestion on this While riding around in Sturgis for the past week the engine light kept coming on, but the bike was running fine. high idle between shifts or in neutral - 4. Pretty simple actually. Texture Black back plate; Features a one-piece cast back plate with integral breather and mounting brackets for simplified installation. New 11/19/2004. 5L V8 (460 cu in) E4OD transmission: engine idle speed has recently increased from normal 950 RPM to - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. EVEN PLUGED UP THE EGR VALVE. I’ve checked all the wiring, checked adjustment on the TPS, adjusted throttle cable every which direction, on and on.   I did that and it seemed to work for the engine light. When I started it up today it fired and idled just as before. I have a first generation Pro-Flo EFI on a 351w. High or Surging Idle Problem / Dying at Low RPM. Efi Live Tuner 13 To 17 Dodge Ram 6. This controls the general engine idle-speed, and tweaking its performance is much like the single-screw carburetor adjustment above. This page is a primer on EFI swaps. EFI doesnt adjust the high idle settings in LMM, only the actual normal idle speed. Some EFI interfaces even allow you to make your fuel mapping changes with the engine running, so you have the option of adjusting the fuel map while looking at the LM-1’s Air/Fuel Ratio display. When you purchase a GDP Tuning AutoCal you will be ready to unleash the beast that’s locked inside of your truck. 460 efi idling problems 12A697 is the FORD Basic PN for the Coolant Temperature Sensor. An interview with David Page - FAST EZ EFI Engineer - The Technology Behind the Self Tuning Capability.   A local mechanic said it was a combination of the high ethanol gas and the altitude, and to add octane baoster. It is a stand-alone mass-air wiring system designed to run the e. EVEN PLUGED UP THE EGR VALVE. 225 milliseconds. You other option for power out there is the Kenne Bell Roots typer blower specifically made for the efi 460. The 460 motor is a 429 with longer stroke, same bore. View all 19 consumer vehicle reviews for the Used 2010 Lexus LS 460 on Edmunds, or submit your own review of the 2010 LS 460. runs pretty well after that until recently. I unplugged the air line, the motor died. Misses at idle and full. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. EFI conversions are, for the most part, done for drivability, fuel economy, and for smoother idle and better starts. 1989 ford f350 460 gas engine high idle problem unpluged map tps&cold start solenoid truck still runs no differance - Ford 1996 F350 Crew Cab question Search Fixya Press enter to search. I cleaned the throttle body, tuned up the car but all in vain. Hi Chuck-I saw that you recommended against the Weiand Stealth intake on a recent thread, care to share your thoughts? I have one I was planning on running on my 460 crate motor which has a Victor on it now. Hi, yay, another idle question again. Hi guys, my name is Mike G. Now, if the IAC is fully seated, which you can easily check with your finger, and it idles fine, then my bet is that it is wired backwards. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership when you get a Idle Air Control Module (part number 401-959) from J&P Cycles. 43 c Throttle Position (TP) sensor below idle spec 44 r Thermactor air system inoperative (TAB or TAD open circuit) 45 r Thermactor air upstream/misdirected during KOER. FiTech EFI is dedicated to bringing the most advanced fuel injection systems on the planet supporting engines with up to 1200hp, 2X4, nitrous, boosted, and E85. I unplugged the air line, the motor died. it does this when in park and neutral. A little while ago my 89 XLT began to idle at 1500 RPM when cold then rises to 2200 RPM. 64 valve package. Note: on the electronic spark advance models, at low rpms, idle may auto adjust to 11° btdc. It would usually idle fairly high then tone down with no idle issues at all. 8L 351W High Idle At this point I am really just annoyed and can't find help anywhere. Subaru Genuine - $2,500. >"but upon acceleration at high rpm it misfires. Just got my clutching fixed and now it seems to not come off of high idle. In dyno testing our manifold made more power and torque than the most popular high-performance idle-5500RPM dual-plane - +12HP peak, +11HP average from 1500-5000RPM,+25lb-ft at 1500RPM, +20 lb-ft average from 1500-5000RPM. 1997 FORD F250HD 7. Rough idling isn't ususally how the symptom surfaces but I would. Idle goes from 850 to 1100-1400 and IAC jumps to 225. This is a discussion on [SOLVED] extream high idle problem on 1990 chevy 1500, 4. I have a Ford 460 out of a 1970 lincoln in my 1979 bronco. We brought the Nomad back on the rollers after a little bit of driving to allow the ECU to learn and make some adjustments. 1993 ford f350 7. Browse EFI’s Fiery digital printing solutions, including our digital front ends and digital printing software, for complete production workflow solutions. Hi guys, my name is Mike G. They have changed the design to a turbine instead of the diaphram. 96 Ford Ranger 6cyl 3. 97 460 intermittently stalling at idle My 460 started to stall at idle on the return from my last trip, about 4 times now. M7 high idle? Arctic Cat. MegaSquirt Carb to EFI Conversion - Part 1: TBI Fuel Only From Carb to EFI on just a fistful of dollars… Updated 3/3/09 - Added dyno chart showing comparison of readings taken on old vs new dyno. it does this when in park and neutral. It is a stand-alone mass-air wiring system designed to run the e. P0113 IAT Sensor Voltage Open/High EFI P0117 ET Sensor Voltage Low EFI P0118 ET Sensor Voltage Open/High EFI P0122 TP Sensor Open/Low EFI P0123 TP Sensor High EFI P0131 Front 02 sensor low (lean) P0132 Engine running rich P0134 Front 02 sensor open/not responding P0151 Rear 02 sensor low (lean) P0152 Rear 02 sensor high (rich). It's located on the side of TB and has 4 wire connector hooked to it. RHP exclusive. Purchase the Idle Air Control Module at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. The computer can't keep up with the info I'm getting a new one tomorrow I'll let you know how I make out. 0 efi setup, so I decided to switch to a Quickfuel carb, but as I'm putting the fuel system together, I am realizing that the costs are not that different. Your engine will idle at a certain vacuum. 90-898303 1-4 Fuel Injection System Function Fuel is delivered directly to the engine by way of fuel injectors. I just finished an LS swap in my 70 Chevelle, and currently experiencing a high idle issue. "How to adjust IAC & TPS" On Merc EFI If your engine surges, does not immediately follow the throttle movement, dies when put in gear or runs up when taken out of gear- then you probably have either a TPS or IAC sensor to be tested & or adjusted. 7 Digital Ignition EFI has high idle Short of getting a scanner of some sort, and a service manual and actually troubleshooting the various parts of the ignition and fuel systems along with the wiring and sensors, there just is no way of telling you in an instant what your problem is. 77 New Mercurymariner 4-cyl And Up] Kit 100-125 New [1994 Rebuild L4 Hp Powerhead Mercurymariner Powerhead 100-125 New And 4-cyl L4 Up] Kit [1994 Hp Mercurymariner Rebuild. could a messed up ecm do this high. I think its time to reconsider what I am doing, I originally decided that I did not like the look of the 5. I got my ez efi up and running about 3 weeks ago. My idle rpm has started sitting around 1500. If this is the case, look at all of the computer inputs to make sure everything is up to par. I have a 2002 Dauntless 16 with a Mercury 90-HP FOURSTROKE. It seems to do this after it warms up a bit. RHP exclusive. It's did great until today. Some of our overseas customers desire to lower the idle RPM to simulate the sound of classic Harley-Davidson ® engines. Buy Mercruiser V6 V8 EFI MPI Throttle Position Sensor TPS: Throttle Position - Amazon. The screw on the lever is just a travel stop. You may have to register before you can post: click the register link above to proceed. Also Banks makes headers that work well but for the additional $400+ over the Doug Thorleys it was hard to justify, on the Dyno the difference probably is. 1993 ford f350 7. EFI Idle Tuning Notes - Chevy Message Forum - Restoration and Repair Help. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. Buy Speedmaster PCE148. 5/460) - EFI 460 high idle - well this has bin buggin me for a while now. net, the internet's premier Ford truck community! You are currently viewing our boards as a guest which gives you limited access to view discussions and access other forum features. While a few carburetor-equipped bikes are still on the market, the vast majority of street bikes are now equipped with some form of electronic fuel injection, which despite the complication it adds, is both a better. 2 at cruise, and 12. Re: How do you change the idle speed on a Fuel Injected bike the throttle stop screw (the one you described) is NOT an idle adjustment. To do this, open up the Initial Startup gauge screen that was used in section 17. With plenty of torque, a high-thrust propeller and a 2. Hi Chuck-I saw that you recommended against the Weiand Stealth intake on a recent thread, care to share your thoughts? I have one I was planning on running on my 460 crate motor which has a Victor on it now. 64 valve package. Even there if I give it a little gas, it hangs at an higher idle. Why does your 1994 f250 5.   I did that and it seemed to work for the engine light. You NEED to take it off entirely if you want to completely clean it. but the idle i maxed out as high as it will go and its not high enough! Valves are dead on. com FREE DELIVERY possible on eligible purchases. 7:1 at idle, under normal riding circumstances and while cruising on the highway. 1989 F-250 efi 460 motor back fires out the tail pipe. Manufactures have removed these. 8L SC) EEC IV Data Transaxle. I replace the plugs, still does it. Lately it has been missing and bogging down when under load. If you notice your vehicle idling roughly or stalling, it could point to a problem with the IAC valve. when in park it idles at about 2000 rpm up to 2500 rpm. It's located on the side of TB and has 4 wire connector hooked to it. I have a Ford 460 out of a 1970 lincoln in my 1979 bronco. High-performance, room temperature vulcanized (RTV) silicone type liquid gasket is a low-odor, non-corrosive and non-conductive sensor-safe formula. It will be idling at around 500-600 RPM and without warning the idle will jump to 2-3000 RPM. It would usually idle fairly high then tone down with no idle issues at all. It may do a code, as an example something like 4 flashes then 2 flashes which reads as 42. MASS AIR fuel injection system Ford Ford 429/460 - Have you looked at all those systems out there that claim to be fuel injection but are really nothing more than a carburetor with four injectors stuck on them in place of jets. Rough idling isn't ususally how the symptom surfaces but I would. High idle (common fault) Try new idle motor, but has to be reprogrammed by Daewoo,try cleaning idle motor and pulling out plunger extra 15mm,refit and start car,hold at 4000rpm for 1 minute,should rest idle correctly. This article applies to the Harley Davidson Sportster (1986-2015). My 1993 F-150 with a 5. powerTV: For those who aren't familiar with electronic fuel injection, a system that you can just bolt on that tunes itself seems like magic. EFI conversions are, for the most part, done for drivability, fuel economy, and for smoother idle and better starts. Once at low idle, it will only stay idling for about 25-30 seconds before it acts just like it's running out of fueljust slowly dies to a stall. Worst yet, my idle speed seems to go up when ambient temp is high (>85F) AND engine is warm - it will go up to 1800RPM I'm not using any idle control and my idle adjustment / butterfly screw is already completely off. Make sure the engine is at normal operating temperature before adjusting the idle RPM. Notice that the values range from low at idle to high at wide open throttle. Computer is continuosly checkin idle speed and if idle goes lower than it should then ECU opens the idle stabilation valve and if idle is too high then ECU closes the valve. For example, Ill be riding for about 20 minutes and I go to stop and take a break. On mine, if I rev it it will idle at about 1700 for about five seconds or so and then come back down 900 where it is adjusted to (kinda high to compensate for cam). We the top 10 common EFI mistakes and how to patch them up so you don;t make a costly mistake. Good Morning guys, Is there a TSB number for the TPS fix for high idle problem? I have been having. High idle is really pissing me off!!! So I recently cleaned out my TB and IAC, changed oil and plugs and also new fuel filter. building an efi ford 331. It runs fine and doesn't miss. This is common on fuel injected bikes with closed loop EFI. High Idle at startup 06-22-2016, 06:20 PM Whenever I start my car with an e street efi system it idles high and makes a loud sucking noise through the hole in the throttle body. How to Clean the Throttle Body 1990-1994 Lexus LS400. or, get a shop to do it for you but good luck finding a good honest shop. The pressure is readable at the OBD connector. 0 on my truck since 2011 and I've always had an issue with the idle dropping way below the set rpms to the point of almost dying (sometimes it does die) and then the idle recovers. new fuel pump and universal fuel lines and. great ideas- also check the voltage at idle- my efi was doing same thing, I changed the fuel lines and etc. The idle RPM can be set to the lowest value (the SE Super Tuner allows 800 RPM as the lowest value for EFI, you cannot set lower) or as slow as the engine is not dying. It stalled on me for the first time today coming. Re:GTX 460 1GB EE High Idle temps and load temps 2010/09/14 18:27:59 @Loiselle - I'm running a GTX 460 EE SC folding in a CM 690 II no probs at 70C. When activated, it will raise the idle up when outside temps are very cold. Motor will start and go into high idle, then come back down. Transmission, Drive, Trim Parts For Sale. As an example, it happens quite a bit when I get off the fwy having rode for about 15-20 minutes at high fwy speeds. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. Re: ford 460 engine: Phil Feinstein: 8-26-08 : Dave, There are a few things that spring to mind as to what might be the problem. Seems to only do it when it’s good and warmed up after riding awhile. 1984 Ford F350 460 misfire at idle was created by kingtutus@hotmail. 260/266 @ 0. I'm betting the MAP sensor is seeing the idle surge and is freaking out. Don't be above playing musical heads, as the pre-72, small-chamber heads will really wake up an EFI 460 short block. I run 900-950rpm idle speed when hot with the cams i'm running in my 06 FXDI, 1100 rpms cold till the head temp reachs 130* then it drops back to 950rpms. just bought a 1992 f150 xlt 4x2 5. they no longer make it but they are always on ebay, i saw one go for 800 once. and it just wont kick down. The top end was recently rebuilt with a rv cam. 2004 Touring DTC (Diagnostic Trouble Code) The IM (instrument module) is capable of displaying DTC's (diagnostic trouble codes). They each have an electric fuel pump that supplies the high pressure for the EFI, but also utilize a float mechanism that keeps them supplied with the proper amount of fuel from the stock (low pressure) mechanical pump. 9:1+ compression. Wanted to see if anybody here could give me their honest opinion on what might be creating my high idle issue (1000 rpm at idle), by looking into my current tune (Global Folder). When you purchase a GDP Tuning AutoCal you will be ready to unleash the beast that’s locked inside of your truck. 64 valve package. Or, the IAC motor will move close to fully closed if the idle speed is too high. Fault code is 34 and 31. Ford BB 429-460 Hydraulic Roller Camshafts at Competition Products! 1800-5200. This is a great time to visually inspect the overall Sniper EFI install. 1993 ford f350 7. Fuel pressure will be in the low 30's with the old pump; high 30's, low 40's with the new one. The car is flushing the theft lights, and is not starting. To Decrease the High Idle RPM Refer to the above steps 1, 2, and 3. I have a fuel pressure regulator and it stays rock solid at 39lbs. Keep us posted. High idle is really pissing me off!!! So I recently cleaned out my TB and IAC, changed oil and plugs and also new fuel filter. High idle can also be caused by a failing MAP sensor which no one here has mentioned yet. I just finished an LS swap in my 70 Chevelle, and currently experiencing a high idle issue. and when i let off it goes back to idle no problem. 225 milliseconds. Nothing outragous but just one time it will barely be idling high enoug to keep running and then the next time I ride will be idling a bit high. Yellow with red stripe - Not connected in EFI harness, ignore. O2 sensor seems to test ok. it idles around 1500 to 1800 rpm and it is. 460 Efi High Idle.