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P0089 Diagnostic Trouble Code Discussion for September 2018

Fuel Pressure Regulator Performance


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Trouble Ticket Help Requests for DTC P0089
Help Request Posted
2008 Chevrolet HHR SS 2.0L Poor Idle Quality VIN: 3GNCA63X48
P0089: Fuel Pressure Regulator. ... smelled as if raw fuel was passing through the engine, Had a code for the high pressure pump & a P0303. I swapped coils & plugs with no change, Misfire stayed on #3 My intuition told me the #3 cyl. probably had a bad injector dumping too much g...
September 10, 2018