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Hello guys!
So as the title reads I'm having a whole host of codes on this vehicle.
The long term fuel trim is stuck at 29% and will not budge. Sometimes runs rough. Sometimes it's a crank no start. We've replaced a defective Purge valve which seemed to help but conditions are still present. No vaccum leaks to be seen as per our smoking the system...so far a puzzle...parts cannon is looming over the horizon... So before I load it up I came here
I'll try to upload some of the live data I've recorded. Haven't done an exhaust back pressure test on it. The vehicle runs fine most of the time despite the fuel trims. The no start or rough idle is very sporadic and anytime I've had it in my possession it "behaved"... I've asked owner to check the ect gauge on the dash next time he experiences a no start to help me narrow down the issue. Will
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