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#1
04-01-2004, 03:01 PM
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92 cavalier fuel injector problem
92 cavalier fuel injectors are leaking...we have replaced o-rings on all 4 injectors and they still leak...could the fuel pressure regulator be the problem?...need quick answer...working on friends car as a favor and need to get it back to him...
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#2
04-03-2004, 12:31 PM
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Re: 92 cavalier fuel injector problem
if the fpr diaphram is torn that could be the cause. It could also be the injectors
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#3
04-04-2004, 11:39 AM
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Re: 92 cavalier fuel injector problem
Overly high fuel pressure will seldom cause an injector to leak.
I've run them up to 80 psi without so much as a drop. Take them out and hang just the ends, one at a time in a cheap ultrasonic jewelry cleaner filled with fuel injector cleaner for awhile-you'd be surprised at the crud that falls out. Then put 'em back with new o-rings and yer all set. New O-rings will only cure external leaks-ya need to clean 'em to stop the internal leaks.
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