miguelc
August 9th, 2011, 08:06 AM
Greetings, I am tuning an L5 colorado.
At 10000 hz the afr goes leaner and leaner, we swaped for a bigger fuel pump and a 58psi regulator. Now fuel pressure is constant at 58 psi and the AFR keeps goin leaner. Do you have an idea of what is running bad? when the trucks shifts it goes to the commanded AFR and at 10000hz goes leaner.
At that time inj were 70%, then I did some MAF raping and got 90% INJ and afr still goes lean and pressure does not drop.
Sorry for my english, its not my native language
At 10000 hz the afr goes leaner and leaner, we swaped for a bigger fuel pump and a 58psi regulator. Now fuel pressure is constant at 58 psi and the AFR keeps goin leaner. Do you have an idea of what is running bad? when the trucks shifts it goes to the commanded AFR and at 10000hz goes leaner.
At that time inj were 70%, then I did some MAF raping and got 90% INJ and afr still goes lean and pressure does not drop.
Sorry for my english, its not my native language