Intermittent Misfire
#21
aw yes the evil temp sensors that will also cause alot of the problems your havingthere are two of them on your truck on on the driver side of the engine i belive that sends info to the guage and on on the top of the engine next to the inlet for the coolant hose i believe that one sends info to the computer
#23
Doing some more research, a list of things I haven't done yet:
Coolant Temp Sensor (1 on driver side, 1 on top) (rough when hot only)
IAC valve (clean and RESET)
Vacuum Hose/Connection Leak
-vacuum hose TO MAP sensor (raw fuel symptom)
o2 sensors
tps sensor
Connector @ MAP sensor
bad grounds @ thermostat
Last resorts/Least likely?:
Brake Booster
Distributor
Head gasket
cam position sensor
catalytic converter
Coolant Temp Sensor (1 on driver side, 1 on top) (rough when hot only)
IAC valve (clean and RESET)
Vacuum Hose/Connection Leak
-vacuum hose TO MAP sensor (raw fuel symptom)
o2 sensors
tps sensor
Connector @ MAP sensor
bad grounds @ thermostat
Last resorts/Least likely?:
Brake Booster
Distributor
Head gasket
cam position sensor
catalytic converter
#24
The sensor on the side of the head only controls the gauge so if your gauge is working properly don't worry about changing that one. I would check the free stuff first - vacuum lines, grounds, and IAC cleaning.
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