Question about 1992 Isuzu Trooper
Why does 1992 isuzu trooper runs for a few seconds then stalls and won't keep running? I've replaced the fuel pump,fuel pressure regulator,and fuel filter. Spark plugs and wires have been changed also.
Posted by Anonymous on
Hot or cold engine or both?
which engine, to work on one, you need to know what it is
and what EFI system it uses. or its all just a crap shoot.
no new distributor cap and rotor why skip the full tune up,. why?
1: can you save the stall with a a fast right foot.
2: why change out pump etc, if fuel pressure is at spec, a $20 tool would have saved you 5 hours hard labor and bath in fuel? why?
the engine can stall for over 50 reasons are you going to do all 50?
surely not. why not consider diagnosis.. as a path.
1: car stalls, right foot saves it. and can drive fast if i keep foot busy.
a: ISC stuck closed.
b: EGR valve stuck open (depends on which engine options)
c: low compression on one or more cylinders.
2: can\'t save it from stalling (right foot)
a: fuel pressure is low. (wires bad.)
b: lost spark, for any reasons.
c: lost 12vdc to the EFI system( killing spark and fueling)
hot or cold or both
stalls, can save it or not, hot and cold
hot restarts are easy and it runs good hot,yes./no.
there is lots more to it, then just stalls. lots more.
Posted on Aug 31, 2014
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Posted on Jan 02, 2017
check your grounds. I find many easy fixes by cleaning all the grounds around the engine bay. I would also check the ground at the fuel pump connector that wiring is prone to corrosion and breakage
Posted on Feb 25, 2013
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