...vortec 350, Code 1406. 96 Chevy Z71 with Vortec 350, Code 1406. When engine gets up to temp. code comes on and left bank exhaust gets loud and engine has a variable rough Idle. Suspect EGR Valve ...
Question about Chevrolet 1500
350 Throttle body injection(not vortec), the problem I had was multiple. The timing chain was extremely worn out, causing erratic timing. The fuel pump was bad( causing loss of power as rpm increased)
350 vortec engine which has 207,000 miles on it. I've been having problems with my engine. First of all I had a new "black box" transmission installed last year because it was "slipping" bad. Anyways,
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