Question about 1991 Geo Tracker
I have a 1991 geo tracker that won't start unless you spray starting fluid down the air cleaner. Once it starts you can shut it back off and try to start it within just a couple of seconds and it just turns over. It will only start back up if you spray starting fluid down the air cleaner again. Also when it does finally start if you mat the throttle it falls on its face for a second then picks up. It has plenty of power it just has problems starting. Any ideas? Thanks! My tracker has similar problem> It only starts with starter fluid but will not continue running on gas unless I place my hand over the air intake. I have already replaced the fuel injector which obviously needed to be done.
Bad response, 91 has no maf. and two cars one post WOW !
but the fuel starvation my be wrong too.
when you use starting fluid this fluid is hot.
and WILL start a flooded motor.
so tune it up and then
HOLD throttle WOT , this shuts down injection and if car starts it WAS flooded.
this 8v TBI can have bad injector seals and can dribble and cause constant flooding. easy test ,just look and key on 10times
no dribbling allowed.
under pressure the system must NOT dribble.
if on the other hand , it is starvation.
check fuel pressure.
at the fuel filter test port on the side of the banjo.
its all here.
Posted on Oct 22, 2009
Check fuel filter on both vehicles...After that check fuel pressure ...Blocking off air flow to engine will change the fuel air mixture...air deprivation changes (lessens) air flow and fools engine into reading more fuel than is actually there. Mass air flow sensor should also be checked/cleaned if no results obtained by filter change if pressure is OK.
Posted on May 29, 2009
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Posted on Jan 02, 2017
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