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Your 97 blazer idles fine but when you push the gas pedal the engine stalls or pops back through the intake you put on a new fuel filter fuel pump tps injectors What could be your problem?
Wiki User
∙ 12y ago
the same thing happened to me you should cut off the catalytic converter it is probable clogged.
From past expirence it could be your knock sensor. Most blazers from 89 to 99 had there knock sensor tied into the thermistat. So when the motor gets hot the sensor begins working and trys to compensate and keep it from knocking if the sensor isn't working then your going to get rough running and possible kncok check that. also check you egr valve and pcv valve they tend to get cloged. If it smells realy bad when it warms up you catalatic converter may be cloged check that to. If all else fails start pulling codes.
Wiki User
∙ 12y ago
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