Question about 1991 Geo Tracker

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My 91 GMC Tracker sometimes won't start and other times starts just fine. It also shuts off randomly.

I have added gas line anti freeze. When it won't start the engine turns over really fast

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  • Geo Master
  • 20,706 Answers

I daily driver, or just took out of a barn for winter duty.?
context? when did it run right last, 1day, 1week or 1 year.ago.?
sounds Canada , nobody ever posts location, and guess what
canada is not texas. 85F today here. and all week.
fuel antifreeze is just methanol. it works,

stalls, are complex.
so are won't start.
the EGR sticks open on most , its a 50k service point and is never done by most owners. and fails like clockwork.
first use test fuel, does test fuel work , when it wont start.?

did you read the spark plug tips to see if its flooding or starving for fuel.
did you do the fall tuneup. make sure spark is good?
really fast starter,, that is odd.
so your saying it always starts eventually but not always
and when it does run, its with full power on hills, etc?
Id do the 60k tune up on it.
see it here.
http://www.fixkick.com/IGN_timing/tune-ups.html



if it wont start, try the op guide rule,crank WOT (unflood mode)
wide open throttle, this cuts all fuel injection and clears all floods.
if not flooded and spark is good (tuneup) and new fuel filter.
then try test fuel. on a good engine and good spark engine.
I remove a intake hose, and spray it in there.
and crank , does it start now, for at least the life of the test fuel>

http://www.youtube.com/watch?v=064Ilsz8Fzg&feature=player_detailpage#t=0

Posted on Oct 09, 2013

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6ya6ya
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Posted on Jan 02, 2017

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bunnydawg
  • 5158 Answers

SOURCE: 01 geo tracker wont start

please take a moment to rate my solution... thanks

Posted on Mar 02, 2009

  • 1 Answer

SOURCE: my 1990 geo tracker wont start

Timimg belt?

Posted on Mar 13, 2009

  • 35 Answers

SOURCE: my 91 GEO Tracker will only start if I spray

how old are the spark plugs?

Posted on Aug 14, 2009

  • 137 Answers

SOURCE: 91 geo tracker won't start without rolling it off.

91 , is 8v motor. know it well and have full docs on it.
rolling it off , 5sp push starting dumping clutch. yes.
you forgot to say the magic words.

does it crank on its own , robustly.
,any engine will run with out a starter.
you need to elaborate on the symptoms.;

you forgot to say how you started car with test fuel.
gaps here.?
how far did you go , with push start, 1 mile , 50 miles?
im going to guess this is a NO CRANK car.


here is my nocrank page.
http://www.kick-fix.com/nocrank.html

this is a solution.
all posts on this system are all lacking proper symptoms.

Posted on Oct 21, 2009

  • 1 Answer

SOURCE: My '96 Tracker starts and runs fine but when I put

its more than likely its your timing, check to see if your crank shaft TDC marks align correctly, I also had this issue and it was the woodruff key in the crankshaft rod broke which throughs your timing off. my key hole was in really bad shape so i J B welded it which worked for a little while

Posted on Dec 18, 2009

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