The truck runs for 30 seconds to a minute beautifully then begins idling rough and shuts off. It will restart however sometimes takes a bit. NOT a problem in cold weather, only above 80 degrees outside! It's driven weekly. The parts cannon has been lit and fired by me and 2 different mechanics. Below is what has been done/replaced over the last 3 years:
- new distributor
- new plugs/wires
- new fuel filter
- fuel pressure is good
- IAC valve
- coolant temp sensor
- throttle body rebuild kit
- new injectors
- vacuum lines
- PCV
- MAP sensor
- O2 sensor
- ECM swap (then original put back)
Sensor readings appear normal when measuring resistance but O2 sensor seems kind of all over the place. We're at a loss! Thank you for your help!
- new distributor
- new plugs/wires
- new fuel filter
- fuel pressure is good
- IAC valve
- coolant temp sensor
- throttle body rebuild kit
- new injectors
- vacuum lines
- PCV
- MAP sensor
- O2 sensor
- ECM swap (then original put back)
Sensor readings appear normal when measuring resistance but O2 sensor seems kind of all over the place. We're at a loss! Thank you for your help!