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post #1 of (permalink) Old 12-21-2002, 03:22 PM
jaysbronco
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too much flow

ever since i put on my new flowmaster 50series muffler/3inch tail pipe on my truck on cold start up chokes up and dies then it runs fine after i start it again is a 1990 5.8 stock motor to small for 3 inch pipe ? just wondering why my rig does this did not do it till i changed muffler/pipe ?
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post #2 of (permalink) Old 12-21-2002, 05:04 PM
 
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Re: too much flow

If it is just a single pipe, then no, what you have is fine. Any codes from the motor? Recent tune up? For some reason, it sounds like all of a sudden, the computer is not getting the message of cold start.

Just for the heck of it, disconnect the battery totally for a few minutes to reset the computer. Then, when it is cold, try starting and see what happens.
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post #3 of (permalink) Old 12-21-2002, 05:10 PM
jaysbronco
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Re: too much flow

no new tune up no survice soon l;ite just started hickuping ofter new muffler/pipe weird
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post #4 of (permalink) Old 12-21-2002, 05:16 PM
 
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Re: too much flow

OK, see above, re pulling codes, or if you can't just do the battery and try starting again. It may run a bit rough since you have now wiped out the computer's memory, but this is worth a try.

Also, once started, put your hand back by the pipe, nice strong tone/flow? If not, if you did not do or watch the work, perhaps someone F'ed up the work and there is a major restriction in your system. If you feel good flow, then I don't think this is the problem.
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