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Bogging at 7lb boost around 2600 rpm Help!!

Old 01-15-07, 03:20 PM
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Bogging at 7lb boost around 2600 rpm Help!!

Ok I got a problem with an FD that I just built. When I drove it after a rebuilt it drove fine but now with 100 miles it started to bog and die at 7lb. around 2600 rpm. Could this be a bad secondary injector, grounding problem, or something else?
Old 01-15-07, 03:22 PM
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Have you checked to see if you have any ECU codes?
Old 01-15-07, 03:24 PM
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I guess that is one thing to do first. Was wondering if somebody that has the same problem?
Old 01-15-07, 05:48 PM
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The bogging definitely matches the symptoms of a bad injector, but it's odd that it would run fine for a while first.

I would replace the plugs and look for evidence that one rotor is running a lot richer or leaner than the other. The plugs might solve the problem, and if not they are diagnostic.

Dave
Old 01-15-07, 07:48 PM
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I was thinking the same thing about the injectors but I thought the secondary comes on at around 3500 rpm? When apply the throttle lightly the rpm goes up to 8000rpm but on load it bogged around 7lb. boost everytime. So this couldn't be a grounding issue?
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