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trop-a-cal's avatar
trop-a-cal
Explorer
Oct 20, 2013

1997 454 GM vortec motor problem with EGR Valve

I noticed the idle down lower than normal and a weak start. Then a pinging, and loss of power after a full up when tank was almost empty. I was told the exhaust system has a valve, that recycles exhau...
bucky's avatar
bucky
Explorer II
Oct 21, 2013
That year truck will have OBD2 emissions and will set a code for any emissions fault. Including EGR. Do you have a CEL on and if so what is the code?

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