Got a 1990 F-150 that has fuel pressure with key.

Tiny
ANONYMOUS
  • 1990 FORD F-150
  • 150,000 MILES

Got a 1990 f150 that has fuel pressure with key on 52psi but won't start, will start and run with starting fluid till its gone replace the ECM and still no go what else can it be

Sunday, October 28th, 2012 AT 4:59 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Ecm? Why? Who told you it was bad?

I would check the coolant sensor first. Then I would look at the tps sensor. If it is reading 4.8 volts or higher then it is in clear flood mode.

Is there key on power to the injectors?

Roy

Was this
answer
helpful?
Yes
No
Sunday, October 28th, 2012 AT 5:15 PM

Please login or register to post a reply.

Other Fuel System Pump Pressure Questions