So, about a month ago I got a check engine light for an evap leak and a purge valve flow issue. I bought a new purge valve just to find out the whole vacuum hose assembly is supposed to be replaced as a single unit. Anyways I did some snipping of the vac lines and installed a new valve with new hose and hose clamps. Not beautiful but it works… I think.. the problem I was having where my engine would have trouble starting after refueling is gone but now my car won’t rev in park. Once it’s in any other gear, car runs great! I did a battery reset and that problem has gone away. Not sure if it will come back or not. Does anyone know what might cause this? I was able to clear the check engine light but there is still a “historic fault” in the ECM. Is this maybe a protection feature of the ECM?
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Capitalslayer
Joined
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213 Posts
fail safe limp mode
Joined
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213 Posts
was the check engine light still on when it wouldn't rev in park? what kind of code reader were you using? some readers don't show the whole story. hard to say for sure remotely, it may have been in a learning mode after the repair and pulling power killed that.
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