P0089 Diagnostic Trouble Code Discussion for July 2018
Fuel Pressure Regulator Performance
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| Help Request | Posted | |
| 2011 Chevrolet Equinox LT 2.4L Hesitation VIN: 2CNFLNEC6B P0089: high pressure pump performance. Suspect wrong intake camshaft but don't know for sure. my fuel pressure at idle is 4.5 mpa and desired is 3.3 mpa. If I bidirectional my pump it will track up fine, it just wont go lower than 4.5 mpa. At idle, vvt info, both intake and exhaust are at des... |
July 02, 2018 |
