1988LXCoupe

Greetings,
I was hoping some of you fine folks could help me out with an issue concerning a 1988 LX Coupe. The car was originally a four-cylinder car, which has been converted to an eight-cylinder car. I purchased the car during the transition period. I have the V8 engine harness in place with the appropriate computer (speed density), but I’m not able to get the car to start. The fuel pump is not turning on when I turn the key on. I have checked both the pump and the relay, both check out fine. Here’s another issue, I can turn the fuel-pump on to pressurize the system, by just adding a jumper wire in place of the fuel pump relay, but I don’t believe the computer or the fuel injectors are working because the engine will turn over, but will not run on its own. I am able to spray carb cleaner in the throttle body and get the engine to fire, still the car will not run on its own. I do have fuel at the fuel rails and I have spark, which is what leads me to believe that my injectors aren’t working and/or the computer isn’t working. At this point, its hit or miss for me, I’ve been checking wiring diagrams and really just racking my brain here and I keep coming up short of success. Any ideas or suggestions would be greatly appreciated!

Thanks!!
Glenn

AdderMk2

spend $300, get a megasquit... and put it on a stand alone....


not the easiest thing to du... but since you would be re-wiring some components... it takes all the guess work out