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  1. H

    VY Commodore 3.8l V6 Backfire on Idle

    I have had more persons willing to help me with suggestions on a different forum. My friend warned me NOT to waste my time with “Just Commodores Forum”……. I guess he was right. Thanks so much to the 2 persons that responded to my thread and tried to help me. Cheers & all the best.
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    VY Commodore 3.8l V6 Backfire on Idle

    Update: Checked TPS this morning no issue with that. Just a heads up....I am in Darwin, I know a Scan will tell me the errors, most people i know only have OBD2 scanners (a mate gave me one but they dont work). The mech shops want a fortune just to Scan it. After a heart attack i am on a...
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    VY Commodore 3.8l V6 Backfire on Idle

    Update: The MAF & new plugs arrived, installed them. but issue is not Fixed still running rich.will waiting for the O2 sensors & new Leads. I don't think that will make any deference. so back to Square 1. apart from the computer what else can make the car run Rich ?
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    VY Commodore 3.8l V6 Backfire on Idle

    If you set the dash on the VY into Diagnostic mode you can get some information & work from that…but in general they would need Scan tool & software. SRS codes need Tool & software to Clear them after fixing any issues.
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    VY Commodore 3.8l V6 Backfire on Idle

    Update: The new GM Plugs will be in today so i have loosend the plugs on the car getting ready for the new ones. I removed 2 plugs just to check them as i had Cleaned & gapped them a few days ago. And Yep.... the plugs are wet & you can smell the fuel on them. So the issue with the car is that...
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    VY Commodore 3.8l V6 Backfire on Idle

    Update: I re-set Fuel consumption average & drove the car for 20mins. On completion the reading was 68L/100km… before it was 11.5L/100km… so running very Rich. Then I set the dash display into Diagnostic mode to check Instantaneous fuel consumption…. That reading was over the roof…. So yep…...
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    VY Commodore 3.8l V6 Backfire on Idle

    Was going to get this with SRS Software for $110 https://www.envyouscustoms.com/diagnostics/diagnostic-kits/aldl-cable/
  8. H

    VY Commodore 3.8l V6 Backfire on Idle

    Update: I re-set Fuel consumption average & drove the car for 20mins. On completion the reading was 68L/100km… before it was 11.5L/100km… so running very Rich. Then I set the dash display into Diagnostic mode to check Instantaneous fuel consumption…. That reading was over the roof…. So yep…...
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    VY Commodore 3.8l V6 Backfire on Idle

    Hi Guys My VY commodore 3.8l V6 Has a Backfire on Idle issue. I have changed Fuel Filter, Plugs. Coil pack is working fine, but have not changed leads as yet. However while checking i found that When the car is in Idle & Backfireing if i dissconnect the MAF sensor there is NO change..... The...
  10. H

    VY Commodore 3.8l V6 Backfire on Idle

    Hi Guys My VY commodore 3.8l V6 Has a Backfire on Idle issue. I have changed Fuel Filter, Plugs. Coil pack is working fine, but have not changed leads as yet. However while checking i found that When the car is in Idle & Backfireing if i dissconnect the MAF sensor there is NO change..... The...
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