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PO102 = mass airflow circuit low. Means there's a problem with the mass airflow sensor or circuit. Could be the sensor is disconnected, dirty, or faulty.
PO340 = camshaft position sensor circuit. Could be ground wire disconnection, camshaft position sensor failed, PCM is failing, or even the crankshaft position sensor has failed. Good luck. Let us know how it turns out.
The P1345 means SGC (Cam Position) sensor circuit malfunction/crankshaft position-camshaft position correlation P0300 means random/multiple cylinder misfire detected
starting definately has a lot to do with the crank/cam position sensors, but it wouldnt have nothing to do with hot or cold weather, oxygen sensor will make the vehicle run too rich if its out, you will smell fuel very strong out the exhaust, that could make it run sluggish also, and usually if the mass air flow sensor goes out the vehicle wont start at all...
Likely either a shifter position sensor, transmission position sensor, or a differential position sensor. Had same issue w/ my Montero and it ended up being one of the 5 sensors on the transfer case. It was pretty tough to get to, so replaced all 5. That fixed it.
the tps is ususally at the side of the throttle body opposite where the throttle cable / tv cable mount.
sometimes it won't start, run, or run erratically. there are ways of testing this unit (by output voltage) before you commit to buying a new one. to test it you will need a dvom (digital volt ohm meter).
just a note: straight from the book... "a broken or loose tps can cause intermitten burst of fuel from the injector and an unstable idle because the ecm thinks the throttle is moving."
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