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slownlow43 · 03-14-2013, 07:08 AM

The surging kind of feels like a lag-surge-lag-surge-lag-surge, and each lag surge cycle takes about 2 seconds. When it surges it will jump about 500 RPM's. Is this something the upstream O2 sensor would affect, or should I try and find someone with a scantool to take a look at the transmission?

Edit: And I can feel the car accelerate noticeably with each surge. Each cycle feels similar to turbo lag then boost.

03-14-2013, 07:08 AM	#3
slownlow43 GX Member Join Date: Apr 2009 Location: Kansas City MO Posts: 103	The surging kind of feels like a lag-surge-lag-surge-lag-surge, and each lag surge cycle takes about 2 seconds. When it surges it will jump about 500 RPM's. Is this something the upstream O2 sensor would affect, or should I try and find someone with a scantool to take a look at the transmission? Edit: And I can feel the car accelerate noticeably with each surge. Each cycle feels similar to turbo lag then boost. __________________ I'm a minitrucker-every build is a budget build Last edited by slownlow43 : 03-14-2013 at 07:10 AM.