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145E cold starting 140-160

posted by  Al Cereske on  Tue Feb 14 08:18 CST 2006
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Cold starting problem 145E - 1973 automatic 120,000 miles. The engine starts fine when very cold, but stalls shortly thereafter. I can keep it running if I continue to pump the gas pedal a little. After the engine warms-up, it runs smooth. Any thoughts?








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    145E cold starting 140-160

    posted by  RhodeIslandVolvo on  Sat Feb 18 02:23 CST 2006
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    last visit: Tue Jan 7 15:19 CST 2014
    [RELATED]

    I've been haveing a similar problem, which was particailly improved by cleaning injectors and fixing a vaccum leak, however it is still neccessary for me to pump the gas in order for the car to start








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    145E cold starting 140-160

    posted by  Niel on  Wed Feb 15 09:44 CST 2006
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    last visit: Thu Oct 23 12:56 CST 2014
    [RELATED]

    If pumping is required then the mixture is probably lean and it's only the enrichment from acceleration that is keeping the engine running. As John said, suspect the temperature sensor or it's wiring. Maybe vacuum leaks that close up from expanding metal. It is possible, but unlikely, that the fuel pressure is too low when the fuel pump is cold. Sounds like the cold start circuitry is fine, it usually only functions for a few seconds and often only during cranking.








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    145E cold starting 140-160

    posted by  walrus3 on  Tue Feb 14 13:05 CST 2006
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    last visit: Mon Dec 2 14:20 CST 2013
    [RELATED]

    Wonder if maybe your auxiliary air valve is not working, or there is a temp
    sender problem. Maybe even a vacuum leak that closes up when the engine gets
    warm.
    --
    George Downs Bartlesville, Heart of the USA!







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