Question about 1999 Chevrolet Camaro
I will clarify more here. I have a 1999 ss Camaro with a 5.7 V8 motor. I have had codes coming up and have replaced the cats. The codes I have come up with are P0102 which shows mass air flow circuit low frequency, P0137 and P0157 HO2 circuit low banks 1 & 2 sensor 2, these both came on at the same time. and P0171 and P0174 showing lean. The mechanic told me these would be caused by a vacuum leak and after a smoke test, which they saw at the far back of the motor along the firewall in which is hard to see or get to, they determined it was the pcv valve and the hose assembly that was leaking. And they could not get their hands back in there to get at it so they told me in order to fix it, they had to remove the intake manifold so they could see back there to get at the problem and fix it. Not sure but I find it hard to believe that even on a 350 motor by GM that to fix a vacuum leak back there that you would have to go to that extreme and cost to fix it????? I am going to get a second oppinion probably from some one that knows Chevy Camaro's. Please advise. I am not sure how to reply to the emails that I have received on this problem. All responses are greatly appreciated. Thanks JT
Hi i have replaced the vacume lines in the back of the motor without taking off the intake.it is alittle tight but you can do it. and i have big hands. in my opinion they are trying to rip you off.you may want to try another mechanic.
Posted on Feb 01, 2009
This is Common on the SS Models. They will need to Remove the Exhaust to get to this. The SS 350's are Totally Built Different than the Basic 350 Motor. Drop me an E-Mail and I will show you my Cars Just to Prove that I AM a Chevy Guy! MrScary6661313@aol.com
Posted on Feb 01, 2009
Change the Mass Air Flow sensor.Or the the Volume Air flow sensor.Also replace the ( IAC ) Idle Air Control. There is no code P1518 are you sure they wrote it down for you correctly? I just had my Library of codes updated last week and it is not on the list. After all repairs are made make sure you have the Diagnostic Trouble Codes Erased from the on board computers memory. This will reset the check engine light and keep it from comming on again for thoes codes.If it does come on again and it relays more DTC you can ask me for further help through the Reply Window. Good Luck and have a good XMASS.
Posted on Dec 14, 2010
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Posted on Jan 02, 2017
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