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COLD idle is erratic.


Resurrection Ranger

Well-Known Member
Joined
Jan 6, 2009
Messages
200
City
Upper Hanover Twsp, PA
Vehicle Year
1993
Transmission
Manual
Cold starting/driving has me at wits end ! I can't remember all the tests that I've done back in the summer but the TPS voltage checked out fine and I also replaced the that thingamajig to the left of the intake feeds air to the intake when at idle (I forget what its called now).

Nothing has changed. It seems that once running in open loop the idle straightens out. But the RPMS are all over upon initial startup. If I drive it like this.. it could at times, cut out and/or hesitate for a half second. If its not doing this you can feel seat of your pants differences like someone is slightly pulling back on your bumper while driving.

What could be causing the cold idle issues. I have a new Temp Sending Unit but imma gonna have to chop up the heater hoses to change it cause its never coming out in the condition its in and THAT will have to wait till the temp gets above 20 freakin degrees here !
 

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