Terry Casey (216.160.107.148) - Wed Aug 20 14:54:05 2008

I have a 1991 Geo. I'm not sure if it is fuel injected or throttle body injected. The fuel filter IS NOT under the master cylinder.

My question is: I want to back off the carburator fuel adjustment, but there are no adjustment screws on the carb. Can anyone help?

Thanks

Terry

Reply #1 chad ziesmer (12.203.5.55) - Tue Sep 23 23:00:54 2008

if it is throttle body injected

the only way to adjust fuel is to alter the pressure regulator cap

its a square cap held on by 4 torques head bolts on throttle body under air cleaner take a punch and push the center out for less fuel dent it in for more fuel ther is a spring under the cap

to put it simply more spring pressure = more fuel less spring pressure = less fuel good luck

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