Question about 1997 Chevrolet Blazer
Could be many things. Try the temperature sensor on the engine for water temperature; you probably have 2 with 1 working the dash gauge and the other controlling the engine setup. You want the engine to get a signal from the temperature sensor, because it does not know if it is cold without this signal.
Another part is the air temperature sensor in the air filter ductwork. Sensors should never be cleaned or sprayed with solvent. A third part, called a mass airflow sensor, MAF, is a screen like grid below the throttle body.
You can get a free scan from most of the autoparts places like Autozone, Advance, or Oreilys, but they usually do not do it without "Check engine " lights on.
Posted on Feb 11, 2012
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Posted on Jan 02, 2017
ck compression, all cylinders must be near to the same
ck coil it may need replaced
ck plug wires and change out plugs to AC delco
always replace with OEM parts not anything else then ac delco
Posted on Jul 14, 2009
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