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#1
03-04-2011, 10:31 AM
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Code P0452
Just started when i was on the high way..The check engine light was flashing also had codes P0301, P0327..I have smelled fuel Once or twice in the last few days .. I have replaced the fuel pressure regulator ..could it have gone bad? I put in a new fuel pump 4 weeks ago and filter..PCM 2.0 from ZZP..any suggestions what to check? thanks AF
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#2
03-04-2011, 03:03 PM
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Re: Code P0452
Trouble with EVAP pressure sensor error!
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#3
03-04-2011, 04:40 PM
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Re: Code P0452
P0452 = Fuel Tank Pressure Sensor Circuit Low Voltage
P0327 = Knock Sensor Circuit Low Voltage P0301 = Cylinder number 1 Missfire Lets worry about the most important code first. P0301. If you are smelling gas and have a flashing SES with P0301, you could burn your CAT up if you continue to drive. I assume you have a GTP since you have some MOD's. What made you decide to go with a ZZP 2.0 PCM rather than just a 1.0? What other mods do you have? Smaller pulley? You could try to reseat your PCM connector. Check for bent pins and corrosion.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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| The Following User Says Thank You to tblake For This Useful Post: | ||
99kylec (03-05-2011)
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#4
03-05-2011, 04:56 AM
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Re: Code P0452
sorry it is a 1.0 pcm but the SES will go away if i dont drive on the highway ..its only when i got to pass someone will the SES flash ..iv had poor boost it will max out then go back to a few bars then max out? i dont drive WOT very often just when i have too.
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#5
03-05-2011, 07:31 AM
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Re: Code P0452
what octane fuel are you running? I understand with today's gas prices premium hurts, but running a modded GTP on 87 octane is a big NO-NO!
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#7
03-05-2011, 07:44 AM
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Re: Code P0452
Do you have the other supporting mods for the PCM you have?
__________________
Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#8
03-05-2011, 06:51 PM
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Re: Code P0452
First figure out why its missfiring on number one. It only does this on accelleration? May want to check compression.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#10
03-08-2011, 11:20 AM
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Re: Code P0452
Quote:
I would have started at the plugs and wires, then coils, etc..
__________________
1999 Chevrolet Monte Carlo LS [semi-daily driver until LIM repair or trade-in for '13 Fusion, 110k miles] Gone but not forgotten: 1995 Pontiac Grand Prix GTP[sold, 128k miles] 1996 Oldsmobile Cutlass Supreme SL Coupe [a minivan tore my door off, totaled, 84k miles] 1998 BMW M3 Hardtop Convertible [a pathfinder armada stopped in front of me, totaled, 70k miles] 1989 Chevrolet Cavalier Coupe [died, 160k miles, engine problems] 1990 Hyundai Excel GL [died, 220k miles, died]
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