2000 Firebird 3.8l

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Hill632

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I have a 2000 Pontiac firebird vase model it’s got the v6 3.8l and I can’t seem to get over 3000 rpms. It just started a week ago and I was wondering what could cause this. I have codes on that I will list below. I’ve changed two of the three coil packs and all spark plugs I’m going to get a new coil pack for the last one because they just got them back in stock. Any further info would be much appreciated
P0151
P0300
P0405
P0756
P0101
P0141
 
My uncle checked the MAF for me and it was actually decently clean but could the egr being dirty cause that code to come up
 
Did you read through the causes in the link? It's more than just being clean. Did you follow any of the suggestions?
You have an EGR code plus O2 sensor codes.
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I do have an aftermarket k&n air filter that uses the oil so it may just need cleaned then
 
The oil contaminates the MAF sensor. If you have the stock air cleaner reinstall it and clean the MAF.
 
Unfortunately I bought it second hand so I do not but I can probably find one
 
This link also mentions transmission codes, you have one.

GM memo to dealers regarding oiled air filters and warranty claims

I hope this isn't a repost.. Didn't find it on the search.. ================ The following is a memo from GM stating the use of rechargeable air filters may cause transmission shift problems, engine driveability problems & SES Light On problems (throwing codes). It also states these problems...
www.chevyavalanchefanclub.com www.chevyavalanchefanclub.com
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Ok I appreciate it. Clearly this filter can mess up a lot of stuff
 
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