WHAT ARE THESE CODES?
SOURCE: I have a 2001 S10
P0200 = "Injector Circuit Malfunction".
Check injectors and injector wiring, but I have a sneaking suspicion it will end up being a bad PCM.
Code P0300 - Random/multiple cylinder misfire detected.
Make sure that the distributor cap is on properly and the button on the rotor is clean.
SOURCE: misfire 5,6 clyd code p0300 p0200
Well P0200 is a detected malfunction in one or more of your fuel injectors.
P0300 is multiple misfire detected.
I would guess that the P0200 code is causing the P0300 code so find out why you are having an injector issue.
Possible causes: check fuel and air filter, fuel pressure, coil performance, and injector performance. The coils and injectors need to be viewed through a scan-tool. Looking at live data and performing tests. Without it you can try to look at plugs and see if you can notice anything or use a devise that measures temperature. A cylinder that isn't firing will run cool. Good-luck.
SOURCE: 2005 chevy exspress 2500 p0300 p0200 misfire cly 5,6
Tune up,and boots need replacing most likely
SOURCE: 2005 Chevrolet Equinox These are the
P0108....Manifold Absolute Pressure/Barometric Pressure Circuit High Input P0300....Random/Multiple Cylinder Misfire Detected P0400....Exhaust Gas Recirculation Flow P0433....Heated Catalyst Efficiency Below Threshold (Bank 2) Do not have a listing for the 0068 reading as it doesnt exist in my list ,looking at this i would block off the EGR valve with a nice home made coca cola can gasket and this should cure your problems
Cheers,
P0108....Manifold Absolute Pressure/Barometric Pressure Circuit High Input
P0300....Random/Multiple Cylinder Misfire Detected
P0400....Exhaust Gas Recirculation Flow
P0433....Heated Catalyst Efficiency Below Threshold (Bank 2)
Do not have a listing for the 0068 reading as it doesnt exist in my list ,looking at this i would block off the EGR valve with a nice home made coca cola can gasket and this should cure your problems
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