Belt slipping also can cause misfire codes

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The belt is fairly new and doesn’t seem to be slipping but I do have a exhaust leak where it bolts together by the o2 sensor.

 

A new belt can be smoked. Do you have a spare you can swap in it and see if it fixes it


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A new belt can be smoked. Do you have a spare you can swap in it and see if it fixes it


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If it is the belt would it mis while in park? It also doesn’t have any throttle response until it warms up.

 

It would not. Didn’t realize it is missing at idle.... definitely fix the exhaust leak. See if that fixes it. If not, I would check for spark, check wires/coil. Check out your fuel pressure, injectors, check for air leaks at throttle body boots.
If all checks good move on to compression check and valve clearance.
Do you have the code # that popped up?


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It would not. Didn’t realize it is missing at idle.... definitely fix the exhaust leak. See if that fixes it. If not, I would check for spark, check wires/coil. Check out your fuel pressure, injectors, check for air leaks at throttle body boots.
If all checks good move on to compression check and valve clearance.
Do you have the code # that popped up?


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520344 which is the Adaptive Fuel Correction Too Rich, 65590 and 65592 with a 7 under it.

 

The 520344 will most likely be from your exhaust leak. It could also be a fuel pump issue. Check pressure. I would fix leak first then drive around in low gear above 4 k rpms for a few minutes. A lot of times it will clear out the codes. If they come back, I would trouble shoot cylinder 2. According to the codes you are only missing on that cylinder.


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