Let me start out by saying we love this beast and are sad when she no go. She is a stock 91 FJ80 with 388,000 miles and solid compression.
I have been learning tons of info from the excellent crew here and now I have met my match. I downloaded Johnheld's strife & woe troubleshoot guide. EFI fuse is good, CEL is on, Coil checks out close to spec, bought another and it's the same parameters. Bought a new relay (prior to reading the guide) and replaced it, tried it with the old one again too. Even pulled the bolt on the CSI and had just a drop of fuel from it when turning engine over. Plugs are all dry so I pulled one and laid it hooked up to check spark, nothing. Checked it again at the coil output, nothing.
Background; I gave her a tune up a few months back and saw the fuel economy go from 10 to 12, she was running great. Then, Friday morning, she starts running rough, won't hold idle, then sputter backfiring for a few more miles. 5 miles from home, on a bridge, she's done, nada. Got her towed home and bought a new aftermarket coil. It took some doing but she started and smoothed out nice so off for a spin. A few miles later ( I was hammering on the gas pretty good) she is right back to sputtering and I barely made it home. Now it won't start. Checked all of the Johnheld recommended items including dist. output and they are both at ~ 180 ohms, all good there. I guess it has to be the ignition control module ? Anything else I should check before I spend the big money on one ?
Thanks in advance !
Kirk
I have been learning tons of info from the excellent crew here and now I have met my match. I downloaded Johnheld's strife & woe troubleshoot guide. EFI fuse is good, CEL is on, Coil checks out close to spec, bought another and it's the same parameters. Bought a new relay (prior to reading the guide) and replaced it, tried it with the old one again too. Even pulled the bolt on the CSI and had just a drop of fuel from it when turning engine over. Plugs are all dry so I pulled one and laid it hooked up to check spark, nothing. Checked it again at the coil output, nothing.
Background; I gave her a tune up a few months back and saw the fuel economy go from 10 to 12, she was running great. Then, Friday morning, she starts running rough, won't hold idle, then sputter backfiring for a few more miles. 5 miles from home, on a bridge, she's done, nada. Got her towed home and bought a new aftermarket coil. It took some doing but she started and smoothed out nice so off for a spin. A few miles later ( I was hammering on the gas pretty good) she is right back to sputtering and I barely made it home. Now it won't start. Checked all of the Johnheld recommended items including dist. output and they are both at ~ 180 ohms, all good there. I guess it has to be the ignition control module ? Anything else I should check before I spend the big money on one ?
Thanks in advance !
Kirk