engine light on help please

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Mar 5, 2011 | 10:40 AM

DPRock

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Staging Lane

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From: Garland Tx

engine light on help please

P0300 Misfire detected
P0412 air switching valve A problem
P0418 air pump relay control circuit problem

Miss history 1_____2
Miss history 2_____982
Miss history 3_____0
Miss history 4_____0
Miss history 5_____147
Miss history 6_____0
Miss history 7_____4679
Miss history 8_____0

The car is bone stock 2002 ws6

Mar 5, 2011 | 10:54 AM

ramairracer

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From: fort worth texas

usually #7 is the one that misfires when you have bad fuel since its at the back that or the plug is bad, really hard to tel without looking at it..
the air system check valve is bad on bank1 (left side) and maybe the air pump also inst coming on, both of those codes are junk anyway and should be deleted rather than fixing

Mar 5, 2011 | 12:40 PM

DPRock

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From: Garland Tx

Thanks for the info. I changed the plugs and it seems to be running better I cleared the codes so ill find out when I drive it some more. I did notice head gasket pass side leaking just a little the car doesn't over heat but I think its time to find a set of heads and just fix the leak