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1991 Chev Camaro Z-28 Stalling - Fuel System
Question: Can't seem to figure out the problem with my 91 z-28 with TPI. Turns over, but too low an idle, doesn't stay running. Replaced fuel filter. Tested the fuel pressure (at 40+), it's okay. Checked fuses. Full tank of gas, no leaks. Did the 91 Camaro's have a crank position sensor and if so, could that be the problem?
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Technican: First off we need clarification on the idle. Is the problem the idle is dropping so low that the engine can't run. Or the engine won't run at normal idle speed?
A quick way to determine this is to press slightly on the gas pedal... will it idle at normal rpms or do you have to rev it to higher than normal rpms for it to run?
Owner: Will stall at normal RPMs. Pressing down on the gas peddle doesn't help the matter, still stalls, doesn't increase the RPMS. Basically, I turn the ignition, it starts, goes putt, putt, putt... stall. Seems to be gas is not getting to the right place, but when I used the gas pressure guage, gas came through, so it's not a pump issue, I don't think.
Owner: To answer your question a bit better - very low idle, but attempting to engage the gas peddle does not deliver any gas to the engine to increase the idle.
Technican: Sorry I have been trying to post back to you but keep having internet problems.
Owner: No problem. To add a follow-up question, would the timing chain cause this problem if it is off?
Technican: Timing chain is possible, but a a bigger possibility if there is backfiring, spitting, etc.
Technican: Still having trouble... hopefully this goes through.
Have you checked troublecodes (all you need is a paperclip)? This is a good starting point.
If you visit autozone.com they offer free repair guides for your car. Fill out YR Make MOdel Eng to register your car.
From the repair guide you'll find instructions for retrieving trouble codes. Let me know what you find.
I'd give you a direct link to the info but I can't stay online long enough to load the pages.
Technican: I am back online. Here is a direct link to the repair guide for you car.
Highlit, Edit, Copy, and Paste this link into your Address bar.
autozone.com/servlet/UiBroker?ForwardPage=/az/cds/en_us/0900823d/80/16/39/5e/0900823d8016395e.jsp Here's How To Get Guaranteed Solutions In Minutes
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