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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » EGR question

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Author Topic: EGR question
Posts: 4
Post EGR question
on: March 20, 2014 (GMT)

I have OBD2 adapter installed on my car and use Torque Pro to monitor EGR commanded and EGR error. I notice that when engine is idling, EGR commanded is close to 0 whereas EGR error is 100%. When I rev up the engine to around 2000rpm, the EGR error goes to -100% whereas EGR commanded is still close to 0. Is this a problem and if yes, what could be wrong?

Posts: 3
Post Re: EGR question
on: March 6, 2023 (GMT)

EGR valve does not open being in park or neutral, it opens when you drive down the road and have a load on the engine. Try that.

I use HPTuners Software

2001 GMC C2500 6.0L Gas Vortec Engine 4L80e Transmission 3.78 Rear End

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