Question about 1987 Oldsmobile Delta 88

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1987 Oldsmobile "starts" but doesn't run.

My 1987 Oldsmobile Delta 88... after it has been sitting, when I turn the key it "starts," puffs right to life. But immediately it dies. A second attempt to start gets only RrRrRrRrRr. If it had a carburetor I'd say the choke pulloff doesn't work. But it's fuel injected. I can't see anything that looks like a choke or a choke pulloff. No check engine light.

If I press the plunger on the fuel rail Shraeder valve I get plenty of fuel out.

No obvious vacuum leaks on top of the engine.

Same symptoms with air filter removed.

Most of electronic ignition has been replaced last year.

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  • brian c
    brian c May 11, 2010

    Sorry, EGR (typo)

  • brian c
    brian c May 11, 2010

    I know you looked for a vacuum leak, but that's what it sounds like.

    Check the rubber elbows at or near the throttle body, especially the one going to the MAP sensor.

    The hard lines for vacuum are also known to split. These leaks will drive you nuts.

    An easy way would be to get a can of starting fluid. Have someone sit in the car and fan the throttle (if this will work to keep the engine from stalling) and lightly spray the starting fluid around the vacuum lines / fittings. If you hear the engine rev up, you found the leak.

    These engines are also known for the PCV and ERG systems getting clogged.


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  • Master
  • 3,113 Answers

What is the fuel pressure at?

Posted on Apr 20, 2010

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