JRSC Problem
09-18-2002, 07:22 PM
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JRSC Problem
I have a jrsc on my gsr and recently its been acting weird. When I start boosting with the peddle mashed it starts bucking, but once it gets into vtec it stops and pulls normally. The weird thing is after a while it completely stops and runs fine. I've gotten colder plugs and that didn't help, so I bought thicker plug wires and that stopped it for a few days. Now I'm having the same problem. I have no idea what I could be. It seems like an ignition problem to me so the only thing left to do is get a new cap and rotor. What do you guys think. Any help is greatly appreciated. TIA.
09-18-2002, 08:07 PM
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Re: JRSC Problem (SpoolinLS)
I don't know how else to explain it..........it starts jumping forward like I'm gettin on and off the throttle real fast
09-18-2002, 08:12 PM
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Re: JRSC Problem (SpoolinLS)
pretty much stock except for I/E. Clutch is stock. It only has 50000 miles on it and the blower's only been on for 6000 miles. it's not wheel hop the car just starts jerking.
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09-18-2002, 08:15 PM
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Re: JRSC Problem (CDooMe2)
stock fuel pump, just the fuel pressure riser that was included in the kit. I don't think it's detonating. I can't hear it and the plugs look pretty tan.
09-18-2002, 08:17 PM
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Re: JRSC Problem (TrymsGSR)
you wont be able to hear detonation while driving. My guess its something fuel related, the FMU's suck ***, go w/ hondata and bigger injectors.
09-18-2002, 08:22 PM
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Re: JRSC Problem (CDooMe2)
what I can't understand is why it will do it for a while and then stop after I've been driving for a while, and then after it sits for a while the **** starts again
09-18-2002, 09:02 PM
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Re: JRSC Problem (CDooMe2)
Check the fuel pressure while under boost, it should be around 80lbs under 6/7 pounds of boost. Check the plugs too, gap them at .028 and try that, try the basics , fuel filter, fuel pump, plugs, cap and rotor.
Good Luck!
Good Luck!
09-19-2002, 09:51 AM
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Re: JRSC Problem (TrymsGSR)
I strongly disagree with CRVRX. Fuel pressure under full boost should be at least 90psi. With the JR FMU, it is probably at a nice safe 100psi.
Also, gap your plugs to .038", not .028".
Also, gap your plugs to .038", not .028".
09-19-2002, 09:54 AM
#20
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Re: JRSC Problem (Holden)
I strongly disagree with CRVRX. Fuel pressure under full boost should be at least 90psi. With the JR FMU, it is probably at a nice safe 100psi.
Also, gap your plugs to .038", not .028".
Also, gap your plugs to .038", not .028".
Sonny
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