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Re: turbo: new problem, engine dying: old problem - related? 700 1989

posted by  someone claiming to be JohnB on  Sun Jul 8 12:47 CST 2001 [RELATED]

At first I thought it was an ignition amp/module...common as sin...gets hot and ignition dies. I've had to replace both of them on the 87 and 90 turbos.

But your black smoke note gave me pause...I'd check for a loose compressor bypass valve mount...under boost or engine twist the valve mount opens and bleed compressor air...amm thinks lots of air is going into engine but the air is bled off, thus too much fuel is being pushed into engine=black smoke. Could also be something as simple as a/loose clamps/hoses.

Note...leaking cam seals and lots of hot oil under the hood are fire hazards and deteriorate hoses/belts rapidly. The multiple outlet induction hose on 87+ turbos (before the mitsu integral popoff valve) lists for 189$!!!





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