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Your 1989 Chevy Blazer S10 4.3L shuts off while driving then is hard to start what is the problem?
Wiki User
∙ 13y ago
If you have higher miles it is probably the EGR valve at the front of the intake manifold,below the injector plenum. This valve lets exhaust gases from the crank case back into the intake of the engine to be recirculated, burned. It is a stupid system because it becomes caked up with oily residue and stalls out the engine or makes it run very erratic. This valve can be taken out and cleaned or replaced and a little screen is also sold that can be installed in the valve to stop the big pieces from coming through and screwing things up. Getting to the valve is not the easiest thing to to but a good owner shop Manuel will show you where it is and how to take it out.
Wiki User
∙ 13y ago
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