Fuel injector testing

Tiny
GREEKGUY7
  • MEMBER
  • GMC
My '88 Grand Prix 2.8litre hesitates and stumbles badly under load, and cranks but wont restart when its hot. When it wont restart, I tested for spark and fuel pressure is 42psi when cranking. I was thinking its the injectors, so I pulled the plenum on the car and measured them.
On the front bank, they read:
11.1 ohms
9.5
9.5
and on the firewall side, they read:
12.2
12.3
12.1
I was hoping I find one or two injectors reading more like 3 ohms making the decision easier. Do you think the front 3 injectors are out of spec enough to cause severe hesitation and starting problems? Thanks!
Friday, May 19th, 2006 AT 7:16 AM

1 Reply

Tiny
PSYKODEVUL
  • MEMBER
  • 4 POSTS
I have a 93 grand prix with a 3.1 in it and it did the same thing so I changed out the fuel pressure regulator and not it runs perfect again
Was this
answer
helpful?
Yes
No
Monday, May 22nd, 2006 AT 9:07 PM

Please login or register to post a reply.

Sponsored links