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740 start no start, Hall Sensor? 700

posted by  someone claiming to be CT 740 on  Sun Apr 22 01:47 CST 2007 [RELATED]

87 740 turbo starts fine cold (no stumbling e/t/c) then once warm just cranks and cranks.

car also failed emissions on NOX by quite a bit

guessing Hall Sensor, can someone link me the FAQ on replacement because i can't seem to find it

thanks








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    740 start no start, Hall Sensor? 700

    posted by  aleekat on  Sun Apr 22 02:25 CST 2007
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Fri Oct 24 13:19 CST 2014
    [RELATED]

    Normally the hall sensor doesn't crap out only warm. If its bad, its usually bad all the time. Does your tach move when cranking? If so, not the hall sensor. Other things come to mind, fuel pump relay, radio suppression relay. Look here for no hot start troubling.

    http://www.brickboard.com/FAQ/700-900/EnginePerformanceSymptoms.htm
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