what pressure reading should there be on a 1989 f150 high pressure fuel pump.

Asked by Jun 20, 2010 at 03:50 PM about the 1989 Ford F-150

Question type: Maintenance & Repair

What direct pressure readings should i be getting on a high pressure fuel pump (rail mounted)?  I am reading 17 psi.

What should the pressure reading be when hooked  up to the schrader valve on the fuel line just behing the engine up close to the firewall?  I read 10 psi

Are these within spec's for1989 F150 4.9 L EFI high pressure fuel pump?.

3 Answers

55

You should have 45-60 psi at the rail with engine running.

4 of 4 people found this helpful.

yes you are withen spec,s,if you are getting to much or not enought fuel,put a fuel regulator on it,you will be able to adjust the fuel pressure.

1 of 1 people found this helpful.
85

that sounds kinda low. i have an 05 f150 and my fuel rail pressure is at 40psi. but mine is the 5.4 triton. but that dose seem low.

3 of 3 people found this helpful.

Your Answer

Add photo

Related Questions

F-150

Looking for a Used F-150 in your area?

CarGurus has 192,317 nationwide F-150 listings starting at $290.

ZIP:

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 8,530
#2 dandyoun
dandyoun
Reputation 4,420
#3 tennisshoes
tennisshoes
Reputation 2,950
View All

Related Models For Sale

Used GMC Sierra 1500
789 Great Deals out of 67,999 listings starting at $1,700
Used Ford F-250
469 listings starting at $4,390
Used Ford Mustang
680 Great Deals out of 44,480 listings starting at $1,500
Used Ford Ranger
182 Great Deals out of 5,559 listings starting at $900

Used Cars For Sale

2018 Ford F-150 For Sale
1,197 listings starting at $29,070
2017 Ford F-150 For Sale
72 Great Deals out of 123,096 listings starting at $18,199
2016 Ford F-150 For Sale
121 Great Deals out of 9,236 listings starting at $14,950
2015 Ford F-150 For Sale
210 Great Deals out of 8,891 listings starting at $15,990
2014 Ford F-150 For Sale
338 Great Deals out of 12,423 listings starting at $9,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.