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Im got the same code today. Put in a new motor instead of a headgasket. mine only came on once started and would go on and off at idle. would idle high then low then high then low alternating with the code on/off. I didnt have a couple hoses hooked up tho so hoping thats it. Didnt have my boost tube hoooked up for gauge, or BOV. Both are Td off my throttle bodies.
Yeah I've checked everything I can think of at the moment but still haven't figured it out
the issue is on your throttle bodies somewhere,do you have any hoses that go from your intercooler to your throttle bodies.
yeah but what sensor cuz when u unplug the rail sensor it makes code 13 and the same sensor down by ecu makes code 23.the issue is on your throttle bodies somewhere,do you have any hoses that go from your intercooler to your throttle bodies.
It's from the rail sensor not having the correct vacuum and you can't clear the code out until it runs and it see's that its correct, then the code will clear out. Yeah I'm an expert on this code now lol