Ok, I was the guy a week ago having problems with the maf. Well it occured to me that since I bought the car two months ago it has never had a tune up and I have no idea when its last one was.
So I think I should give it a major tune up. Here is what I am thinking(car has 143,000 miles), change oil and filter, spark plugs and wires, cap, rotor, coil, clean IAC and set minumun air(which ui

 

sorry, I didn't finish above post and hit the wrong key:-)

Anyway, I was saying that I started the IAC. I also was going to clean the PCV and EGR valve. I have to take the Plenum off to get at these right? Do I need a new gasket? I was also thinking I should replace the O2 and timing chain. Is there anything Else I should do? Any suggestions are welcome. ~Arnold

 

You should just go and buy a new PCV valve they are like $2. just change all ignition components. fuel filter, etc... also check your TPS voltage.

BTW. where in OKC do you live?? we should meet up somtime.

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91 Z28 5.7l Camaro
T-56, Cross Drilled Brakes, KYB's,AFPR, 3.73 Gears, Borla Adjustable Cat Back, Hypertech Chip, Hooker Headers.
more to come....
My 91 Z28