Page 1 of 1
no power to injectors
Posted: Tue Jul 13, 2010 1:04 am
by Carson21R
89 base 3.1 swap. car cranks but wont run. it WILL start on starting fluid. has great spark but its not getting fuel. has ~50 psi with key on. what controls the injectors other than the computer? Ive tried 2 different computers too.
Re: no power to injectors
Posted: Tue Jul 13, 2010 1:06 am
by Cliff8928
Do you have +12V at the injectors? (i think it's the pink wire)
Re: no power to injectors
Posted: Tue Jul 13, 2010 8:45 am
by 3X00-Modified
stupid question, but did you check all fuses?
After that I would pull the rail and turn it over and see if they spray at all. The Injectors get a pulse width signal so its hard to see that on some meters.
Re: no power to injectors
Posted: Tue Jul 13, 2010 12:20 pm
by Cliff8928
You could also get a noid light set at autozone (they have them as loaners) as an alternative to pulling the whole rail.
Re: no power to injectors
Posted: Wed Jul 14, 2010 1:02 am
by lmnjlo
I had a problem like that on my old 2.8. it would crank but not start and I had fuel pressure. It was a bad fuse in the fuse box.
Re: no power to injectors
Posted: Thu Jul 15, 2010 10:32 am
by Carson21R
hmmmm.... i checked the power at the connecter for the injectors.. its got power so i guess they arent firing. What fuse was it lmnjlo?