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Fuel/Boost problems perf. related
Posted by Sureguy [Email] (more from Sureguy) on Fri, 25 Jul 2003 17:35:59
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Okay so here are the problems that I am having and a list of mods and things I've tried to do to determine the problem.
When I accelerate and get into high boost (middle red) I get a drastic hesitation.
I have the following:
1987 Saab 900 SPG approx 140,000 miles
SPG9 tuned APC box
SPG9 red high flow injectors
SPG9 Rising Rate FPR
uprated IC piping
94 900 dizzy
I have gone through all of the troubleshooting that I have been able to find on the net. The fuel pump cutoff switch was previously removed and bypassed. I unplugged the C port on the boost control solenoid and still have the same problem. What I'm thinking is a faulty or inadequate fuel pump. I have not hooked up an A/F guage yet. What is the failure rate of the fuel pump and what is the upgrade? Thank you so much in advance!
posted by 12.234.136...
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