Question about 1995 Chevrolet C1500
Timing @ 1 btdc new wires,plugs,cap,rotor,IAC,TPS,MAP,temp sensor and fuel filter can unhook vac from MAP richens up stumble gone but to rich to drive.keep getting TPS code w/multiple TPS's (2 new)(2 old) can you help?
Have you tried to spay the base of throttle body & intake to see if throttle body base gasket is is good or sucking air
Posted on Feb 01, 2010
Two things to check. look at the reluctor wheel under the distributor cap. its on the shaft and has a magnet sandwiched between two star shaped pieces of metal. it is riveted together, look for cracks extending out from the rivets. this causes a double ingnition profile and will cause a stumble. Another thing to watch is the five volt reference being sent to the tps. if if fluctuates any the ecm is bad and will cause the engine to go lean.
Posted on Dec 31, 2012
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Posted on Jan 02, 2017
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