getting frustrating

Asked by Apr 09, 2016 at 09:24 PM about the 1989 Ford F-250 XL Standard Cab LB

Question type: Maintenance & Repair

I have replaced everything fuel wise and
electrical except computer. Truck will start
and run fine as long as I continue spraying
fuel into throttle body. I have plenty of fuel
pressure I think injectors are not pulsing. I
tested them with a test light  and nothing
please give me some advice on what to do
next it's the only vehicle we have and I live
in the country with my wife and daughter.

2 Answers

83,385

Have you checked the injector for power then for pulse while cranking? see pic.

43,625

According to this diagram tennisshoes shows, power is coming from the fuel pump relay, and yes you have to check the pulse (voltage or power) while cranking.

Your Answer

Add photo

Related Questions

Search Ford F-250 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Ford F-250 Experts

#1 tennisshoes
tennisshoes
Reputation 580
#2 FordNut
FordNut
Reputation 510
#3 dandyoun
dandyoun
Reputation 340
View All

Related Models For Sale

Used Ford F-150
3,104 Great Deals out of 209,133 listings starting at $1,200
Used Ford F-350
341 listings
Used GMC Sierra 1500
991 Great Deals out of 60,345 listings starting at $1,299
Used GMC Sierra 2500
194 listings starting at $4,999
Used Ford Mustang
544 Great Deals out of 43,037 listings starting at $1,699

Used Cars For Sale

1999 Ford F-250 For Sale
33 listings starting at $2,700
1998 Ford F-250 For Sale
19 listings starting at $1,342