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Glowing turbo/Manifold No Power 700 1986

posted by  someone claiming to be Eric Reinecke on  Sat Nov 25 22:07 CST 2000 [RELATED]

Long story short, I noticed my car diving with out a whole lot of power. So this last time I came up the hill to my house, I checked under the hood, and my turbo and exaust manifold were glowing red hot. So I let it Idle til it wasn't orange anymore. I was wondering if anyone knew what this is, and how to fix it, thanks in advance.

-Eric Reinecke

ibis@mac.com

www.volvo740.com

P.S. If anyone has good Ideas for content to put up on www.volvo740.com, let me know.







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    Re: Glowing turbo/Manifold No Power 700 1986

    posted by  someone claiming to be abe crombie on  Sun Nov 26 05:01 CST 2000 [RELATED]

    Those symptoms are what you get from a few things but high on the list is a defective knock sensor or wiring to knock sensor.

    The ignition has a diagnostic lead on the inner fender on driver's side. It's the wire that isn't pink on the two wire plug hanging out of the harness along driver's side inner fender (red/yellow or green white, but it has been a while so I can't be sure except to say it it the other one that isn't the pink wire).

    Go drive car and then let it run and then you attach a volt meter between 12V + and the wire and count pulses. 4 pulses is the code for knock sensor.

    This terminal is meant for a diode readout but you likely don't have one lying around. A digital logic probe like radio shack sells will work fine but so will counting the ranging pulses of a voltmeter.







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    Re: Glowing turbo/Manifold No Power 700 1986

    posted by  someone claiming to be Ed O'Briant on  Sun Nov 26 02:23 CST 2000 [RELATED]

    Sounds like a clogged catalytic converter.

    Ed O'Briant






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