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Electrical diagnostics

So I have a 91 that won't start when its hot but if it cools off it will start like nothing ever happened.It will run for hours but if I turn it off it won't restart until cool. I am starting to think it might be cheaper to have a shop diaose it than for me to replace all the sensors. Anyone know of a knowledgeable person in denver colorado?
 

toybreaker

iconoclast
Joined
Apr 30, 2006
Messages
3,581
What part of town are you in?

Do you have a logger?
 

SouthCaliVR4

Well-known member
Joined
Jul 31, 2010
Messages
984
Location
North county San Diego
you need to get more info. You need to at the very least scan the car for codes & better yet get a look at the data stream. My offhand guess is your ect sensor is bad, is un-plugged or has a bad wire. With these cars you also must check the ecu for caps damage that can result in all sorts of erratic behavior.
 

Ok thanks. What is the process for doing that. I don't know much about anything but obd2
 
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