V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

possibely injectors ??? wont start

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Old 03-03-2003, 10:53 PM
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Car: 80's somting Trans AM
Engine: 5.0L H.O.
Transmission: 700R4
Axle/Gears: not sure yet
possibely injectors ??? wont start

my 3.1v-6 turns over belts turn and all fule pump turns on we ran a (psi) test off the fule plennum and it's building 45 psi or somting like that so we know it's getting fule we know the spark plugs work and the wirest to we tested those before we put them on there and tested them on my car.

resentely her is what was done

took off intake mannifold,EGR valave, changed wiers and plugs, took off rocker cove, took off celenoyed,

tings tested fule line, fuses,fule pump fuse,spark plugs,spark plugs wiers,battery ,


like i said we took off the intake mannifold so im sure u all know u haf to take off the injector rod and take out all the injectors. i was told there might be a ground wire that was supost to be bolted down under neath a bolt some where as a ground

i dont rember taking anny off but hay we all for get stuff well i hope some one out there knows to day is the 4th lol it's going in on the 6th if i cant get ir working in shop tomrow or unless some one can tell me what i can try well thanks a lot ill check back
Old 03-03-2003, 11:05 PM
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Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
only ground wires I remember were on the back of the heads. get the ig module checked. Karl would be glad to do it for you . Are the wires getting spark to them? break out the screwdriver

Are all the conectors good on the wire harness? are all te connectors connected? any codes?
Old 03-04-2003, 06:57 AM
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
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Axle/Gears: GU5/G80/J65
To me it sounds REALLY odd that all injectors would die at once. I think its something else.

USUALLY a engine not starting is spark, then fuel, then air, in that order.
Old 03-04-2003, 07:18 AM
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Car: 80's somting Trans AM
Engine: 5.0L H.O.
Transmission: 700R4
Axle/Gears: not sure yet
well

well like i said we tested the spark plugs and iwres on my car but taking them and setting them on the intake mannifold and turning it over i had 4 people watching them thay all work for the injectors i know there all connected. because all the metel things that u haf to push to take them off staped when thay locked in and that would be kind of hard for all of them to go at once. well it's 7:18am i haf to go to school ill tell u what the tester says on the fule injectors.

for the code thing what 2 wires is it that i put the paper clip in to and i dont think it will work because our stupid shop teacher requiers that ever car every night that stays in there has to have the negtive ont he battery unpluged. well gtg thanks for the ideas
Old 03-04-2003, 09:29 AM
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OH THE WISE BUTTS AROUND HERE!
LOVE IT!

IS THE SPARK YOU GET LIGHTENING BOLT BRIGHT WHITE!
IF IT AIN'T YA GOT IGNITION PROBLEMS!
Coils go quick due to heat from exhaust manifold.
ALTERNATOR-supplies juice & can go bad, enough to prevent starting
So do the ICM & way to test is by a parts store they have the tool.
FROM WHAT I RECALL
Ya clip the connectors onto the injectors & are done.
Extra wires?
Every wire tends to fall exactly back into place.
Block grounding strap are on the front, rear.
When lifting the top of MPFI, all one needs do is flip over to passenger side, not disturbing, upsetting athing in process.
Learn to be real lazy about working on cars.
Less disconnected less mystery upon reassembly.
Take paperclip to the TWO NEXT TO EACH OTHER CONNECTIONS AT THE ALDL IN UPPER RIGHT CORNER. Key on ignition, count the lights flashing.
PS FAN COMES ON SAME TIME, this is normal.
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