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Thread: Sick RPM when raining
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02-25-2010, 04:11 PM #1
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Sick RPM when raining
When it's raining out, my RPMs are pathetic when in drive.
When in park it's fine, but in drive, it goes SO low, like 200-300...
Don't mind the odometer, it's fried, it says whatever it wants to. The pictures were taken around the same time.
In Drive:
In Park:
It's done this with 3 different Optis, different plugs and wires. All new set installed, STILL does it. New coil too, PCM, and ICM.
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02-27-2010, 05:45 AM #2
10 Second N/A Club
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Bad tach or short in a tach wire theat's getting wet when it rains? Does it feel like the car is idling lower when it's wet out?
-Josh
co-owner of BDBRacing.com
NMCA OC 9004
96, N/A 385, Holley EFI, Faceplated M6, AI TFS heads, LE SR cam, MWC Fab 9
10.16 @ 136 1.50 60'........still workin on that 60' shootin for 1.4's!
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02-27-2010, 12:18 PM #3
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Yes, it does idle lower, it's not a tach failure. If I datalog from the computer, it is SPOT on.
When raining, in drive, tach shows super low idle. I let go of brake, a snail would surpass me idling forward.
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02-27-2010, 03:16 PM #4
Pr0jekt Turb0?
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IAC motor or tps sensor possibly?
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