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George Tharp Posted on Dec 11, 2013
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Saab fuel problem

Just replaced the heads, crank the car over and it will start and die, acts like its not getting fuel. checked the relay and fuse, both are good. took fuel supply line off, cranked engine got fuel out of rail. if I open the test port and push down on the valve there is no pressure in the rail. would this indicate a bad fuel pump?

1 Answer

vtec

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  • Posted on Dec 12, 2013
vtec
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Joined: Nov 10, 2012
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Check you didnt get the fuel supply and return lines on the wrong way around, though I'm not familiar with Saab I have seen this before with same symptoms on other cars

3 Related Answers

Anonymous

  • 183 Answers
  • Posted on Aug 04, 2008

SOURCE: 900 Saab V6 extended cranking time

Hi, have you checked or replaced the oxygen sensors?

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Anonymous

  • 124 Answers
  • Posted on Aug 07, 2008

SOURCE: Extended starting time

Sounds like an ignition problem..
The Direct Ignition module in the turbo model can fail but is easily tested and replaced.

Remove turn the , Direct Ignition module put the spark plugs in the holes, ground each plug to the negative battery terminal by use of a wire about 2 feet long and stripped at each plug. Crank over the engine over watching the spark plugs. If there is a problem with the cassette, one of the plugs will have no spark or a very weak spark. Also, when you turn the ignition key off there should be a shower of sparks that runs all of the plugs simultaneously several times.
DANGER BE CAREFUL ! ! ! EXTREMELY HIGH VOLTAGE! There have been occasions when the Direct Ignition module would test ok when turned upside down but would fail when turned back over to install into the valve cover ?
Also: Oil leakage from the individual coils of the Direct Ignition module have also been a problem. Oil leaks can be identified by noting that there is oil surrounding spark plug hole.
Hope this helps.
Cheers MMP

Anonymous

  • 12 Answers
  • Posted on Feb 09, 2011

SOURCE: 1999 saab 95 would not start.i was not getting

Fuel Pump relays are designed to run only momentarily until engine is running.Even if fuel pump runs it probably won't maintain enough pressure if you had no fuel pressure at the fuel rail.Sounds like a new pump is the ticket.

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