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alkigreen
New User
Jan 14, 2010, 4:42 AM
Post #1 of 2
(1199 views)
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unfixable or not?
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so i have had this Pontiac grand prix LX for a while now and i knew when i bought it, it had an issue with, what the previous owner said was the EGR valve. since then i replace the spark plugs, spark plug wires, o2 sensor, coils, injectors, fuel filter, basically the entire top end.. and the EGR valve.. didnt fix it.. the issue is that when i hit about 2500 rpm the engine lugs out and again at 4500 rpm and up. it also idles rough. i have no idea whats wrong with it and dont know where to go from here.. im not to oriented with cars and just want to get it fixed.
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Sidom
Veteran
/ Moderator
Jan 14, 2010, 11:30 AM
Post #2 of 2
(1189 views)
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Re: unfixable or not?
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It would help to know the year & engine size.
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