SOURCE: what is the spark plug
If this is your vehicle:
1991 PLYMOUTH COLT 1.5L 1468cc 90cid L4 MFI (A) SOHC
The correct gap is 0.044" , 4 required.
SOURCE: I have an uneven idleing problem in my 1993
MAKE SURE THE MAF plug is properly connected at the air filter housing- then check the idle air control motor assy. on the throttle body.Then remove and clean your dirty EGR valve- which is stuck open and allowing EGR at idle...which is not supposed to happen...
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