Sputters at any revv then goes....
09-19-05, 02:54 PM
#1
- Make Haste -
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Sputters at any revv then goes....
i'm sorry for being a post ***** but it's problems after problems with my car....
i was on a cruize last nite, and driving with a little speed and my car was doing great, i was pleased, but thats when things turned....
shortly after the smile on my face started to degrade, i would get off the gas and back on, everything was fine at approx 1/4 throttle or less, but if i gave it anymore gas at approx 2800rpm or higher it will sputter THEN go....
every time, and this creeped on my slowly, sputter and go, there's no happy medium, at any revv above 3000rpm'ish....
i'm too frusterated to think of more details, so i'll put them as i go....
i was on a cruize last nite, and driving with a little speed and my car was doing great, i was pleased, but thats when things turned....
shortly after the smile on my face started to degrade, i would get off the gas and back on, everything was fine at approx 1/4 throttle or less, but if i gave it anymore gas at approx 2800rpm or higher it will sputter THEN go....
every time, and this creeped on my slowly, sputter and go, there's no happy medium, at any revv above 3000rpm'ish....
i'm too frusterated to think of more details, so i'll put them as i go....
09-19-05, 09:50 PM
#4
- Make Haste -
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well, it's as if i drive it around for 15mins or so then it starts to do this....
could it be possible that it's comming to operating temps. or something and since my walbro is over flowing the stock fuel pressure regulator, that something could be up?...
Mods:
- S4 Block with S5 Externals
- 3" Racing Beat Turbo-Back Exhaust
- Blitz SS BOV
- Coilovers ( Tein rear, Ground Control front )
- Centerforce Dual-Friction clutch
- HKS PFC F-Con
- HKS GCC
- Knights Turbo-Timer
- Knights FCD
- FD Flywheel
- JDM Brake Balancer
- Stainless-Steel Braded Brake Lines
- Autometer boost and A/F guages
- MazdaSpeed steering wheel
- MazdaSpeed racing pedels
- Manaray 6spoke 16" rims
- K&N Filter on 3Inch TID
- Yokohama AVS ES100 Z-Rated rubber
- Greddy ProfecB SpecII Boost controller
- Walbro 255lph Fuel Pump
- SAFC-II ( Need Install )
- Greddy Vspec FMIC
- MSD 8.5cm Race-Wires
- Megan Strut-Tower Bar
- Denso 720cc Secondary's
incase needed....
could it be possible that it's comming to operating temps. or something and since my walbro is over flowing the stock fuel pressure regulator, that something could be up?...
Mods:
- S4 Block with S5 Externals
- 3" Racing Beat Turbo-Back Exhaust
- Blitz SS BOV
- Coilovers ( Tein rear, Ground Control front )
- Centerforce Dual-Friction clutch
- HKS PFC F-Con
- HKS GCC
- Knights Turbo-Timer
- Knights FCD
- FD Flywheel
- JDM Brake Balancer
- Stainless-Steel Braded Brake Lines
- Autometer boost and A/F guages
- MazdaSpeed steering wheel
- MazdaSpeed racing pedels
- Manaray 6spoke 16" rims
- K&N Filter on 3Inch TID
- Yokohama AVS ES100 Z-Rated rubber
- Greddy ProfecB SpecII Boost controller
- Walbro 255lph Fuel Pump
- SAFC-II ( Need Install )
- Greddy Vspec FMIC
- MSD 8.5cm Race-Wires
- Megan Strut-Tower Bar
- Denso 720cc Secondary's
incase needed....
09-19-05, 10:10 PM
#7
I R SAD PANDA W/O BAW
Is it a sputter or more like a hesitation? Maybe you just answered your own question with your reply. Running rich can be just as bad as running lean. Too much fuel can wash away the lubrication from the oil injection.
If you think it's temperature dependent try and test the waterthermosensor on the back of the wp and air intake temp sensor on the TB elbow.
If you think it's temperature dependent try and test the waterthermosensor on the back of the wp and air intake temp sensor on the TB elbow.
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09-19-05, 10:14 PM
#8
- Make Haste -
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how do i test that sensor?...
it's more of a hesitation now that i think of it.... does it at any RPM, i also noticed that after i drove down a major road in the town to pick up my friend, we went back down the same and i pinned it in 5th and it felt slow as a turtle, as if the car wasnt turbo....
it's more of a hesitation now that i think of it.... does it at any RPM, i also noticed that after i drove down a major road in the town to pick up my friend, we went back down the same and i pinned it in 5th and it felt slow as a turtle, as if the car wasnt turbo....
09-19-05, 10:17 PM
#9
What will I drive next?
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If it happens after 15 min, thats a BIG sign to me that its the OMP. Mine does the exact same thing. Check your codes, I'm fairly certain you'll find your OMP is faulty. Just need to replace it.
09-19-05, 10:22 PM
#10
- Make Haste -
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well see not exactly 15mins, before i could drive this thing for hours lightly boosting, but after 15'ish mins of driving a little quicker on boost it starts doing this....
09-19-05, 10:47 PM
#11
I R SAD PANDA W/O BAW
No point in speculating. Just pull the codes it takes a few minutes if even that. As long as you havent reset the ECU it should be stored in there, but the OMP code is tricky because it doesnt always make itself known through the CEL and is intermittent for some people.
09-20-05, 11:45 AM
#17
Lives on the Forum
Sounds like your 720 seondaries are the culprit...
I dunno if the GCC can tune for the crossover, but your set-up doesn't make any sense - F-CON, GCC, *and* S-AFC II???
-Ted
I dunno if the GCC can tune for the crossover, but your set-up doesn't make any sense - F-CON, GCC, *and* S-AFC II???
-Ted
09-20-05, 01:07 PM
#18
- Make Haste -
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no, i have the FCON with the GCC, i bought an safcII that i was going to install but figured it wasnt worth it....
how could my 720's be the culprit?...
how could my 720's be the culprit?...
09-20-05, 02:04 PM
#19
I R SAD PANDA W/O BAW
Originally Posted by Archangels
and how do i pull codes?...
Originally Posted by Archangels
no, i have the FCON with the GCC, i bought an safcII that i was going to install but figured it wasnt worth it....
how could my 720's be the culprit?...
how could my 720's be the culprit?...
09-20-05, 02:19 PM
#20
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alright alright, i'll search on how to pull the stupid codes, i get the idea....
if it was that easy i dont understand why you couldnt just tell me....
if it was that easy i dont understand why you couldnt just tell me....
09-20-05, 02:29 PM
#21
I R SAD PANDA W/O BAW
Originally Posted by Archangels
alright alright, i'll search on how to pull the stupid codes, i get the idea....
if it was that easy i dont understand why you couldnt just tell me....
if it was that easy i dont understand why you couldnt just tell me....
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