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96 s-10 overrevving

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Old 04-11-2009, 07:13 PM
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Default 96 s-10 overrevving
put new fuel pump in 96 S-10. went to start and the engine goes to 6000 RPM's. did not do that before replacing pump
 
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Old 04-11-2009, 08:06 PM
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Large vacuum leak. I would look for any hoses that have not been connected back up properly.
 
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Old 04-11-2009, 10:56 PM
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The throttle is not somehow stuck open? Yea, sounds like a vacume leak.
 
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Old 04-11-2009, 11:39 PM
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I wish I woulda known that about a year ago! I had a volvo that did the same thing. Yet, the expert volvo mechanic I took it to told me just not to worry about it since it only did it every now and then.
 
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