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Emision

5 messages,  Last post on Nov 07, 2009 at 3:45 PM

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#2 of 5 Emission by cgchevycobalt Oct 31, 2009 (2:22 pm)
hello i have a 2005 cobalt and i am having alot of problems trying to get my car inspected. I have replaced the MAF and both o2 sensors and the EVAP Purge Valve and the gas cap. I had the codes pulled and they told me that what the problem was and i replaced them and the Check Engine Light is still on. and Cant get the car inspected at all until i get everything replaced to get that light off ANY ONE HELP ME or If you have the same problem. The only problems i had with the car was the radio didnt want to work when i stuck the cd in and the wheel bearing went at 10,000 miles, now my car has 85,600 miles and the Engine light is the only thing that bugs me Replies to this message: imidazol97 (Nov 01, 2009 8:37 am)
#3 of 5 Re: Emission [cgchevycobalt] by imidazol97 Nov 01, 2009 (8:37 am)
Replying to: cgchevycobalt (Oct 31, 2009 2:22 pm) What you need to do is post the codes that were found on a forum and let people who work with Cobalts fill you in on what may cause those.   Typically just letting a car parts counter guy check codes and tell you that because a certain code appears it means a certain item is bad and needs replaced usually gets expensive. The cause of the code needs to be determined; often the cause is something somewhere else.   I don't know if the more general forums for Cobalt here have people who know those things for the Cobalt or not: I'd suggest   Cobalt or there are some other internet forums you might try.
#4 of 5 emission by cgchevycobalt Nov 02, 2009 (4:04 pm)
the codes that come up on my car are P0102 MAF or VAF A Circuit Low Input P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) P0443 EVAP Emission Control System Purge Valve C Fault   I went to get it inspected and the inspection staion told me it failed the test due to the gas cap and i returned the next day with the gas cap and they told me that its not ready for inspection. And when i shut the car off the only codes come up are the P0102 and the P0443. I changed them and the light is on and i asked the Service Station at the Chevy Dealer and they told me i have to get the codes reset and drive the car around and put any where from 50 to 200 miles on the highway and stop and go traffic area and the computer should be reset itself. Ill let you know how it goes after i get it reset.
#5 of 5 emission by cgchevycobalt Nov 07, 2009 (3:45 pm)
i replaced everything from the Evap Purge Valve and the Evap Vent Valve and the Tank Pressure Sensor and the Gas Cap and my light still comes on for the Evap Purge, when i replace the tank pressure sensor i found out the one hose on top of the tank was so loose i went out and found a replacement and its tight now and my light still comes on

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