P2189 Diagnostic Trouble Code Discussion for May 2024
Fuel Trim System Too Lean At Idle Adaptive (Bank 2)
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| Help Request | Posted | |
| 2004 Porsche Cayenne 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WP1AA29P94 P2189: lean back 2. ... miles lean codes P2187 P 2189 lean bank one and two. Assume have a vacuum leak, have smoked intake nothing found, tried using propane around intake no change, while watching fuel trim and o/2 signal. Engine when first started cold has slight multicabl... |
May 01, 2024 |
