jetmech09

Hello: fresh rebuilt, 1995 . Engine starts and runs fine in closed loop but when in closed loop Engine pops at intake at acceleration . Headers turn red hot . Spark plugs are very lean "ash" engine has no power . Had tuner come over and he said all numbers and peramiters normal . O2 sensors working , air/fuel ratio good ,fuel psi good , timming good . But I still have the issue . Need some help. Please pm me or email me at jetmech09@msn.com. Thank you

Cliff Harris

The only way to really find out what is going on is to buy a cable and get some free software and do some data logging.