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#1
04-09-2008, 08:06 PM
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p0442
my buddies car sometimes gives us this code. I believe it is a evap system small leak .Has anyone had this problem? thanks in advance
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#2
04-10-2008, 08:57 AM
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Re: p0442
Welcome to AF.
Which year, model Grand Prix and engine? Link below has helpful info but the P0442 DTC may require proper test equipment to find the small leak. Click here
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#3
04-10-2008, 07:09 PM
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Re: p0442
well it a 98 grand am i thought it was a grand prix. it has a 4cyl thats all he could tell me
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#4
04-10-2008, 07:22 PM
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Re: p0442
Not a problem. Moving this thread to our Grand Am forum.
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#5
04-11-2008, 03:57 PM
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Re: p0442
That can be a hard one to find, even with all the know-how and diagnostic tools. All you can really do without diagnostic equipment is look for cracking hoses and check the ring on the gas cap, if it's cracked at all it can cause a leak.
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'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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