Good morning !!
great 1 down 2 to go
spark , makes sure spark fires on all 4 cyl.
timing light to #1 wire HV lead (front)see it flash fire at 0 mark? or near hood sticker spec.
then move light to #3 it now flashes at 6pm on pulley , no marks, there but lands there. (180deg)
then move light to #4 it now flashes at 0 on pulley , same 0 marks as #1 firing.
then move light to #2 it now flashes at 6pm on pulley , no marks there but lands there.
it must start, or at the worst case starts with 5-10% foot throttle, (im assuming IAC is dead here or huge injector leaks,etc )
if you now have spark, correct we now play fuel and air.
you are very welcome. !!!
other points, that can effect this.
1: cat melted (if there is one) nah.
2; iac STUCK CLOSED cold and is cold.now. , ISC DEAD.
3: EGR main STUCK OPEN
THE MAP Reading you gave was wrong, (that number) .
4: gross injector leaking, but pulling fuel pump relay and starting on test fuel proves this easy.
5: BAD FUEL, SEE #4 PROOF, AGAIN.
STARTing with no fuel, (first none if flooded, then test fuel) has great values for cause off flooding or loss of fueling .
it puts you at the right point , in diagnosis, so you save time and wasted parts $$$
good luck to you, and your new SAMMI
keep in mind flooding shorts spark plug tips , wet gas conducts electricity, well. making no spark or too weak.
KEEP BATTERY CHARGED,
or cranking long will lower spark energy.
great 1 down 2 to go
spark , makes sure spark fires on all 4 cyl.
timing light to #1 wire HV lead (front)see it flash fire at 0 mark? or near hood sticker spec.
then move light to #3 it now flashes at 6pm on pulley , no marks, there but lands there. (180deg)
then move light to #4 it now flashes at 0 on pulley , same 0 marks as #1 firing.
then move light to #2 it now flashes at 6pm on pulley , no marks there but lands there.
it must start, or at the worst case starts with 5-10% foot throttle, (im assuming IAC is dead here or huge injector leaks,etc )
if you now have spark, correct we now play fuel and air.
you are very welcome. !!!
other points, that can effect this.
1: cat melted (if there is one) nah.
2; iac STUCK CLOSED cold and is cold.now. , ISC DEAD.
3: EGR main STUCK OPEN
THE MAP Reading you gave was wrong, (that number) .
4: gross injector leaking, but pulling fuel pump relay and starting on test fuel proves this easy.
5: BAD FUEL, SEE #4 PROOF, AGAIN.
STARTing with no fuel, (first none if flooded, then test fuel) has great values for cause off flooding or loss of fueling .
it puts you at the right point , in diagnosis, so you save time and wasted parts $$$
good luck to you, and your new SAMMI
keep in mind flooding shorts spark plug tips , wet gas conducts electricity, well. making no spark or too weak.
KEEP BATTERY CHARGED,
or cranking long will lower spark energy.
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