Question about 1996 Geo Tracker 2 Door
1996 Geo Tracker. Started having running problems like it was starving for fuel. Replaced the gas cap and fuel filter. New driver (its a tow behind for small business) lost the new gas cap and put the old one back on. I don't think it's the same gas cap that goes with it. Now it's having problems on the very next time it was took out. Seems aweful coincidental that the new gas cap seemed to line out the problem and now that it was lost and old one back on, it's having running issues. Will the gas cap cause this problem and if so, how do we get it lined back out on the pressure and get it going again after new cap is on? I have a driver stuck in Kentucky. HELP!
Old post. but this is common on ALL EFI CARS.
great question and is very easy.
btw one of the best posts on the forum best of 1300.
the gas cap must have the proper vacuum breaker (ask STANT for one) if missing the cooling fuel will pull and illegal vacuuum and the gas tank will implode (crush) I have a nice photo of same car doing that.
this vacuum also stalls the fuel pump, as the vacuum builds.
this happens on cooling day not getting hotter day.
to prove this drive with the cap loose and ignore the ECU check light for EVAP failure. (pressure test fails)
loosen the cap key on, 3 times to 5 times to build pump
pressure, the pump only runs key on for 3 sec. then start it up.
the other proof of lost fuel is the test fuel test. (spray)
to google landers. i make this. post.
Posted on Oct 05, 2013
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Posted on Jan 02, 2017
SOURCE: 1992 geo tracker will not run
The ECM has a blown capacitor inside it for opening the injector you will most likly need to get it rebuilt, buy a new ,or used ECM had the same problem with my sidekick.
Posted on Mar 16, 2009
your timing may be off because of the valve timing. have you seen this done before or you just trying your luck. i really dont know but are all of your sensors the same? is the firing order the same?
Posted on Nov 10, 2009
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maby someone else can give you insite but it sounds like the igniction is screwd up
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