can an injector become stuck open:? also how to check for this?
08-19-2004, 08:59 PM
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can an injector become stuck open:? also how to check for this?
ok additional update....
typically my fuel presure guage holds fuel presure for at least 2-3 days if i dont crank it,,... since my problems i have noticed that it seems to drop really fast...but i dont notice any fuel around the injectors....is it posible for an injector to become "stuck " open, there for running ruff and acting odd, also if it was flooding the cylinder (#3 looked more wet on the plugs then others) a flooding injector wouldnt issue the random missfire code,(hints no code),,,if anyone knows if this is posible PLEASE let me know? the only opther conditions being presented seem to be a nasty idle , low vacuum readings, and a terible miss, i have to fluff the throttleto rev the engine up, i can barely get it to go around 5, if i slowly rev it it will make it to about 4 then nearly cutt off (almost stall)
if any insight on this please let me know???
typically my fuel presure guage holds fuel presure for at least 2-3 days if i dont crank it,,... since my problems i have noticed that it seems to drop really fast...but i dont notice any fuel around the injectors....is it posible for an injector to become "stuck " open, there for running ruff and acting odd, also if it was flooding the cylinder (#3 looked more wet on the plugs then others) a flooding injector wouldnt issue the random missfire code,(hints no code),,,if anyone knows if this is posible PLEASE let me know? the only opther conditions being presented seem to be a nasty idle , low vacuum readings, and a terible miss, i have to fluff the throttleto rev the engine up, i can barely get it to go around 5, if i slowly rev it it will make it to about 4 then nearly cutt off (almost stall)
if any insight on this please let me know???
08-19-2004, 09:57 PM
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Re: can an injector become stuck open:? also how to check for this? (redrocketgsr)
put a screwdriver on the injector and then put it to your ear and listen. if it ticks then it is working, if no tick then u got problems.
08-22-2004, 08:10 PM
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Re: can an injector become stuck open:? also how to check for this? (redrocketgsr)
An injector can leak even if it makes ticking sounds.
It's possible for an injector to leak due to varnish build-up or possibly a particle in lodged in it. Corrosion can make them leak also. They shouldn't leak more than 1 drop per minute under pressure.
Most cars have a check valve that keeps the fuel rail pressurized.
Gordon
WitchHunter Performance
http://www.witchhunter.com
It's possible for an injector to leak due to varnish build-up or possibly a particle in lodged in it. Corrosion can make them leak also. They shouldn't leak more than 1 drop per minute under pressure.
Most cars have a check valve that keeps the fuel rail pressurized.
Gordon
WitchHunter Performance
http://www.witchhunter.com
08-22-2004, 10:46 PM
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Re: can an injector become stuck open:? also how to check for this? (redrocketgsr)
Is this an FMU setup in the car? If so, what is your base fuel pressure and how much boost are you running?
A stuck open injector is very possible. Its called going static.
A stuck open injector is very possible. Its called going static.
08-22-2004, 11:43 PM
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Re: can an injector become stuck open:? also how to check for this? (redrocketgsr)
you can use a voltmeter to check for this. i am not to sure the coltage of a open injector but a closed injetctor would be 0. i believe the voltmeter should move between 0 and .1 or something like that but a voltmeter would check that for you.
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