Question about 2004 Ford F150

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When I come to a stop engine will idle down too low and die. Restarts ok. Isn't throwing any codes. I've replaced the egr valve, air filter, fuel filter, pvc valve and the plugs,

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  • 302 Answers

The throttle position sensor [TPS] keeps the engine running when you stop at a light.
it is located under the breather it has a plunger that pushes out against the throttle to keep engine running.

Posted on Nov 13, 2010

Testimonial: "Checked the sensor, found it to be dirty, cleaned it with carb cleaner. Truck runs alot better now. Thanks "

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2000 firebird 3.8 series 2. New o2 sensors,egr valve,fuel filter.starts ok cold, 2-3 min.,idles rough and dies.o2, egr,the,Eva codes


Vacuum leak , IAC valve - idle air control , Go to your tube an check out videos on checking for vacuum leaks an how to test IAC valve an cleaning throttle plate an IAC - air passages ! Eva codes ? what code # ?

Jan 18, 2016 | Cars & Trucks

2 Answers

When I am accelerating the car sputters and dies some time if you can keep it idling about 1 rpm it might not die but it still sputters. if at a stop light it will sputter and quite. The car restarts.


Sound like it needs a tune up, replace spark plugs check high tension cables , make sure there is a good spark to the plugs, clean or replace air filter, replace fuel filter , check fuel pressure and flow. check fuel injectors for leaks.

May 05, 2015 | 2000 Daewoo Lanos

1 Answer

Engine dies


It's not your battery. It might be your IAC valve (intake air control valve) or an EGR valve, maybe even a vacuum leak. The battery is fine. Your fuel filter is most likely fine. When the fuel filter plugs, the car will usualy idle ok but will lose power during acceleration.

Jul 16, 2012 | 2001 Cadillac DeVille

1 Answer

Replaced egr valve assembly now dies when rpms drop


I guess if the egr isn't closing and is stuck open you could have these symptoms it would also have random cylinder misfires, stalling, rough idle, hard brake pedal... And would run ok at higher rpm. EGR doesn't work at idle so if it was staying open could cause you issues. The other thing that may be an issue as you come to an idle is the idle air control valve (IAC). The iac allows air to bypass the throttle plate upon start up declaration and at idle since the throttle plate is close at these particular time. If it happens to be stuck shut then no air would by pass the throttle and there wouldn't be air for combustion to occur and maintain engine running smoothly. Some thing to look at.

Jun 17, 2012 | Dodge Caravan Cars & Trucks

1 Answer

My truck keeps dying even when driving down the road


SOUND LIKE IDLE AIR CONTROL VALVE BAD MASS AIR FLOW SENSOR.CAUSE ENGINE STALL OUT.MAKE SURE SPARK PLUGS AND WIRES OKAY.REPLACE FUEL FILTER SEE IF IT HELPS.IF NO CHECK FUEL PUMP PRESSURE AND PUMP RELAY.CODE SCAN FOR OTHER PROBLEMS LIKE FAULTY EGR VALVE.

Sep 20, 2011 | Chevrolet 1500 Cars & Trucks

1 Answer

I have a 1990 olds 88 royale 3.8 Just replaced the fuel pump, and both fuel filter. A week later coming to a stop the car dies. It's seems every time I approach a stop and get under 25 mph it dies....


Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Jun 18, 2017 | 1990 Oldsmobile Eighty Eight

2 Answers

It idles very low and then dies, it drives but very very slow 0 pick up


lots of possibilities
in no particular order...
  • MAF sensor (Mass Air Flow)
  • TP sensor (throttle Position)
  • IAC motor (Idle Air Control)
  • Torque converter
  • restricted exhaust
  • IAT sensor (Intake Air Temperature)
  • EGR valve (Exhaust Gas Recirculation)
  • Restricted fuel flow
  • clogged intake
  • burnt valves
However, based on the low idle and slow acceleration I am leading towards the MAF

Have you been to the parts store and replaced anything yet?

Has anyone "pulled" codes?


Please update and let me know how else I can assist you today!
Sean

May 28, 2010 | 1997 Ford Escort

2 Answers

1991 camaro bogs down


Adjust idle speed back down
Clean fuel filter and check fuel pump

Mar 30, 2009 | 1991 Chevrolet Camaro

1 Answer

1992 chevy corsica runs rough,stall or dies after stopping


Sounds the EGR valve and EVP sen is bad even if you tested it. The EGR valve cntrols idle and if carbon up will make the car stall or idle high and low (rpms going up and down) This was common on all cars during that time. I would say replace the EGR valve and senosr. This should take care of the problem. One more thing have the fuel pressure check on the car.

Mar 20, 2009 | 1992 Chevrolet Corsica

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