lean bank codes, can't find the leak.

[andrewwynn]

Originally Posted by petebert

Although has anyone heard of the CEL clearing itself? Mine turned off today. Maybe it needed a few drive cycles? That being said I've been clearing the code myself and it kept coming back. Still going to test the fuel pressure but we'll see if the code comes back.

Minor codes will self clear after a programed number of cycles. Recently happened to me when I left my scanner home and didn't have to clear the annoyance code; it cleared itself after about 3 days.

[petebert]

CEL still hasn't returned. Checked the pressure today and it tested really low.



About 4 hours after the car had been ran last I attached the gauge at the fuel rail. Turned key to position 2 and it showed 10 psi. Started the engine and it very slowly increased to 24psi, probably took a full minute to get there. The engine runs completely fine, idle is smooth, good acceleration, etc..

[andrewwynn]

Pressure waaaay too low


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[svvg]

Sounds like a result. Possibly more expensive chasing a vacuum leak but WAY easier to remedy. May as well change the fuel filter too if it’s not been done in a while. Hope it’s all sorted!

[80stech]

Sounds more like you don't have a good connection at the gauge.

[petebert]

Yeah those numbers are way too low for a good running vehicle. I went and tried it again and this time use a pair of plyers to attach the gauge instead of just going hand tight. Not sure if that's what did it but I got 51psi running. I'll mess with it some more and make sure I get consistent results.

[andrewwynn]

51 is normal does it hold under load ?