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24/12/2020 9:34 pm
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- Hey Scotty I have a 2017 Dodge Grand Caravan sxt flex fuel with 170,000 miles on it I recently changed the engine. After I changed the engine I now have a hissing noise and a check engine light this air hissing noise stops whenever I move the steering wheel and I currently have these codes
- P0304 cylinder 4 misfire
- P0108 Manifold Absolute Pressure Sensor circuit high
- P219b Bank 2 air fuel ratio imbalance
- P0222 Throttle Position sensor 2 circuit low
- P0123 Throttle position Sensor 1 circuit high
- I would really appreciate it if you can give me a recommendation I’ve been struggling with this car for the past 2 weeks and no crooked mechanic can solve the problem. I’ve been a longtime subscriber to your channel and you’ve always been nothing but helpful.Thanks scotty
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24/12/2020 9:56 pm
As an experiment you need to erase the codes and start the engine with the steering wheel turned to see if those same codes reapear once more. basically you need to track down the hissing origin and find out where it is and what it is. More than likely is a vacuum leak. Block off some hose...like your brake booster or any other vac lines to eliminate and pinpoint the culprit.
