2006 ZXW severe driveability issues + P2195 code
Alright today on my way home from my last service call today my trusty 2006 ZXW w/ 222K miles on it developed a severe driveability issue and threw the P2195 code relating to extreme lean condition.
To me it seems like a lack of fuel (possible fuel pump failure?) as even in neutral when i press the accelerator the engine will rev up and down from 1000 to 3000 to 1000, and at idle the engine will die in short order unless I press on the gas. I could be wrong though I have tried disconnecting the main O2 sensor to take that out of the mix and force open loop no change. When I used Forscann to read the fuel pressure the pressure was around 38-40psi. For a few weeks now I had been getting a P0171 lean condition DTC but didn't have any apparent driveability issues.
In the morning I will try swapping changing the fuel filter as it has been well over 100K miles since I changed it. I checked the various vacuum hoses and they all seemed intact. Tried searching the forum and none of what I found seemed to pertain to the exact issue I am having. I just hope it isn't the fuel pump as I had just filled up in the morning but the problem didn't happen until 85-90 miles and 5 hours later. Also no codes relating to a misfire or anything else, just the P0171 which got superseded by the P2195 code.
Any advise will be greatly appreciated!
Peter Cordes - The gauge cluster guy!
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Last edited by pcordes1979; 04-27-2019 at 01:39 PM.