79 porsche 928 4.5 how would i go about measuri g the fuel pump pressur?

5

Asked by STUMMPY47 Nov 07, 2013 at 09:51 AM about the Porsche 928

Question type: Maintenance & Repair

How would I go about testing g fuel pump pressure. Are the special fittings for this
application.  79 928 4.5. If I spray staring fluid in the fuel distributor car runs better when
I stop it barely wants to run.  Trying to vet it right.

2 Answers

3,265

On the fuel rail there is a service port that will allow you to hook a fuel pressure guage to it

2 people found this helpful.
3,265

You might want to have the tps throttle position sensor checked are you having these symptoms it runs fine under load and at higher rpms and when you push in the clutch or remove your foot off the accelerator it hesitates or even dies

1 people found this helpful.

Your Answer:

CarGurus Experts

  • #1
    Michael Griffin
    Reputation
    140
  • #2
    MTA1968
    Reputation
    120
  • #3
    Digby Paape
    Reputation
    110
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Porsche 911
17 Great Deals out of 224 listings starting at $26,900
Used Porsche 944
5 listings starting at $34,500
Used Chevrolet Corvette
29 Great Deals out of 593 listings starting at $10,989
Used Porsche Panamera
6 Great Deals out of 64 listings starting at $17,490
Used Porsche 356
3 listings
Used Porsche 718 Cayman
28 listings starting at $71,790
Used Mercedes-Benz SL-Class
9 Great Deals out of 121 listings starting at $13,987
Used Porsche Macan
13 Great Deals out of 290 listings starting at $21,990

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. Content will be removed if CarGurus becomes aware that it violates our policies.