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1993 Chevrolet Blazer Repair Question


Topics covered: Coolant, Fuel filter, Fuel pressure.
Mileage: 138,000 miles.

Asked on September 25, 2012

I have a 93 K1500 Blazer 4x. 5.7L 138000 miles, runs strong when cold but seems to lack power when up to temperature. I have replaced the dist,cap,rot

I have a 93 K1500 Blazer 4x. 5.7L 138000 miles, runs strong when cold but seems to lack power when up to temperature. I have replaced the dist,cap,rotor button,plugs and wires,egr and PVC, fuel filter and cleaned tbi. No codes are showing. What could this be? Cat?
Avatar Asked by Dshenry

Answer

Replied on September 25, 2012

check fuel pressure, check back pressure from cat converter and check the coolant sensor

Roy

Tiny Answered by ASEMaster6371 (expert)
24,845 answers provided