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To my first post I forgot to tell everyone the car is a 1989 420 SEL. My question is the lose of power, could it be a vacuum line or something. Is there anything around behind the powersteering pump or alternator that you have to remove to access the front for a timing chain job? If the lose of power affects the transmission would it not shift into passing gear. Its almost like a smooth running engine that you seriously retard the timing on. But the idle RPM is up to 950 from the previous 750 RPM idle. Could this be a vacuum line again? Thanks again folks for your response, and help.
Keith Dourrieu
89 420 SEL
Black/ Grey
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1989 420SEL 105575 miles
Pearl Black/Grey
1990 Chevrolet E-Cab C-1500
293,000 miles
1989 Olds Toranado Trofeo'
132,000 miles
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