Hunting
The car is 89 5.0
The problem is when the car is warmed up the idle will hunt. Between 900-650rpm. The check engine light is not on. about 3 years ago I changed the O2 sensors. Could they need to changed again? What do you guys think? Thanks |
Originally Posted by Stang6589
The car is 89 5.0
The problem is when the car is warmed up the idle will hunt. Between 900-650rpm. The check engine light is not on. about 3 years ago I changed the O2 sensors. Could they need to changed again? What do you guys think? Thanks have you read your cheke engine code ? it can be many things ... begin to clean your throttle body and IAC (sensor who is attached to TB at 45°) clean your Maf sensor whit brake and electrical cleaner . after that pull your faulty code |
Just had the same problem with my taurus. My mechanic buddy cleaned the throttle plate with some kind of carbon cleaner and it works great now.
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look up the salt and pepper fix....
helped mine quite a bit |
Originally Posted by Stock865.0
look up the salt and pepper fix....
helped mine quite a bit :confused: |
Back in November I cleaned my TB and MAF and the Idle Bypass.
I do NOT have a Check Engine light could there be a code there??? Thanks |
Originally Posted by Stang6589
Back in November I cleaned my TB and MAF and the Idle Bypass.
I do NOT have a Check Engine light could there be a code there??? Thanks adjust your idle to 750tr and after your TPS to .98 volt |
sorry, the salt and pepper fix....
behind the intake you'll find two connectors, one black and one white....over thime they can become coreded on the inside. open them up, clean them, and put them back together and see if that helps... |
Originally Posted by Stock865.0
sorry, the salt and pepper fix....
behind the intake you'll find two connectors, one black and one white....over thime they can become coreded on the inside. open them up, clean them, and put them back together and see if that helps... yea ! it s another good thing you can check ! I have already have a trouble of idle up and down and I regulated the problem like that if i remember the white connector is for sensor like tps , egr , ets , ... and the black one is for the injector |
I will give that a try thanks!!! :cheers:
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More than likely it is your IAC....the little silver cylinder that is on the side of the T/B, take it off and clean it out with some throttle body cleaner and after it dries, pop it back on.
Hope this helps...keep us posted. |
Gentleman their is actually a proper procedure to setting these engines up.
you must have the iac set properly and then adjust your t.p sensor once this fails then and only then you can start condeming parts. This procedure will also help diag the problem. |
Originally Posted by jmboss
Gentleman their is actually a proper procedure to setting these engines up.
you must have the iac set properly and then adjust your t.p sensor once this fails then and only then you can start condeming parts. This procedure will also help diag the problem. |
Here is avery good link that should help.
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