Fox T-Bird/Cougar Forums

Technical => Engine Tech => Topic started by: tbirdera on October 16, 2006, 06:30:53 PM

Title: 5.0 is stalling!!! help
Post by: tbirdera on October 16, 2006, 06:30:53 PM
well guys i go ta 5.0 t bird with an aod

I live in Ny so in the mornings its cold now and when i start up the car after about 30 seconds it stalls or when im gonna move it it stalls. I changed the tps sensor, the idle air control motor, and the 5.0 has been through a tune up. Can someone help me out on what this could be. I think it could be the alternator cause its pretty old and for reference the fuel pump was for a 3.8 engine that was previously there.  Someone help!!! plz


ERIC
Title: 5.0 is stalling!!! help
Post by: BIGmeat15071 on October 16, 2006, 09:29:04 PM
Are you pulling any codes? I had the same problem and it ended up being the EGR Valve Position sensor.  I've had to change that piece twice already on this car.  Both times it happened I was pulling code 33 from the computer.
Title: 5.0 is stalling!!! help
Post by: tbirdera on October 16, 2006, 11:47:26 PM
what do you mean by pulling codes?  which tps  sensor to you prefer how about a KEM one or should i return it and get a motorraft one?
Title: 5.0 is stalling!!! help
Post by: BobNorway on October 18, 2006, 04:24:04 AM
1) Look for a vacuum leak, those old plastic vacuum lines are brittle.
2) The EGR selenoid can been cleaned so it moves easy.
    It carbones up a bit.
3) Rich cold idle selenoid can be cleaned and one drop of oil so it  moves easy. Its right beside the TPS.
4) Increase the idle mechanical stop screw which stops your gas wire on intake butterfly (underside where TPS is). 1/4 turn on mine fixed the problem.