The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=37)

- - Hard starting 87 TBI Suburban (https://67-72chevytrucks.com/vboard/showthread.php?t=467373)

crisco

05-31-2011 10:28 PM

Hard starting 87 TBI Suburban

My 87 suburban with a 350 TBI has an odd problem I can't nail down.

If I get in, turn the key, and crank it won't start for a good 5 seconds.

BUT if I get in, and only turn the key to the crank position for a second, wait a second, then do it again it starts instantly.
It seems like the pump isn't priming unless its cranking?

Any ideas?

motornut

06-01-2011 07:09 AM

Re: Hard starting 87 TBI Suburban

is there no sound from the fuel pump ,just before crankin
i usally turn the key wait for the pump to stop then crank

68Timber

06-07-2011 07:51 PM

Re: Hard starting 87 TBI Suburban

Sounds like a fuel pump that's getting weak.

Hoods69BadBowTie

06-09-2011 11:10 PM

Re: Hard starting 87 TBI Suburban

Quote:

Originally Posted by BRUISER (Post 4723196)

Sounds like a fuel pump that's getting weak.

Yep that's the same thing I was thinking. Did you listen for the pump priming when you turn the key yet?

All times are GMT -4. The time now is 02:39 PM.