1991 Buick Century when cold hard to start

TODD1762

MEMBER
1991 BUICK CENTURY
150,000 MILES

Turn key on-off 4-7 times before it will crank!Cranks right up after it has run for a minute.I let it turn over about 3-4seconds, then do it again and most of the time it cranks on 4th try. Did see 1 dry rotted hose on fuel injector line. Has a miss/jump when going up hill that puts a heavy load on it, but overall runs great with no smells, idleing, and cranks right up after shutting off!Thank You Todd!

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Scan for codes and check fuel pressure with a gauge

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Wednesday, August 14th, 2013 AT 6:05 AM

MADMIKE1735

MECHANIC
951 POSTS

Your issue may lie in your ignition all together. Does your key have a black chip built into it? Also, is the security light on in the dash when it will not crank? Possible the pass-lock is acting up.

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Saturday, September 14th, 2013 AT 6:46 PM

MADMIKE1735

MECHANIC
951 POSTS

Sorry, I miss read your complaint. You have a fuel pressure loss. Thats why you are getting the long crank. The fuel pressure regulators leak-most common. Pull the vacuum hose off of it, and if you smell fuel, thats bad. Means the diaphram inside is leaking. If that tests good, then you need to look for any fuel leaks, starting from the tank, and work your way to the engine. If nothing obvious is found, then you may have a fuel injector that is stuck open.

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Saturday, September 14th, 2013 AT 6:51 PM