Search Results for ‘evap’

I have codes P0440 twice and p0300 so I have a random multiple misfire and Evap emission control problems. Sometimes it won't start on the first try but always on the second. I have a check gas cap error pop up on my dash. I don't know what's going on with it or what to fix. The hose going to my...

I have a 2008 cadillac CTS-AWD that had an evap code. Per my diagnostic reader advice I replaced the EVAP cannister and reset the codes. It has been three weeks and it hasn't reset and when I run the pre emissions check is says it isn't ready and neither is the catalyst. I have failed once...

This MAF problem is apparently so difficult to fix the dealer either forgot to fix it or just gave up. It’s been at the dealer since July - yes, 5 months - mostly a warranty repair - which included several engine system problems, a head gasket leak, and a broken gear box, but just got it back...

I have to start with I absolutely love my ESV, she has just over 200K, runs and drives great. Recently I had to replace my knock sensors, and while I was in the engine that deep I did my valve cover gaskets ( had an oil leak due to worn grommits), did plugs & wires cleaned up the gunk from the...

I need to remove the vent valve on my 2001 STS (to diagnose a P0440 code). I suspect the vent valve is defective as I no longer hear it click-click right after vehicle start. It's hard to reach, and there appears to be a single bolt well rusted in place (see #1 below). Any advice on how to...