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Re: constant 4000 RPM after engine install
DOHC or SOHC? what was done to the engine when it was out? rebuild/replace? more info the better. but start by checking for vacuum leaks, check intake manifold gasket, injectior O-rings, vaccum hoses, throttle body gasket(been known to drop out of place during install before), IAC, throttle plate fully closed.
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Daily driver: 1995 Buick Regal Custom 3.8L 4T60-E 150K miles
Gone: 1994 Saturn SL2 1.9L MP3 168,666 miles
EPA 608 Universal Certification
EPA 609 Certification
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