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1999 Pontiac LS1 engine in street rod won't start

This is a discussion on 1999 Pontiac LS1 engine in street rod won't start within the Computer & Tuning forums, part of the LSx Technical Help Section category; I have a '35 Buick with a 1999 Pontiac LS1 engine & trans. that from to time won't crank. Turns ...

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    1935 Buick (Street Rod)

    1999 Pontiac LS1 engine in street rod won't start

    I have a '35 Buick with a 1999 Pontiac LS1 engine & trans. that from to time won't crank. Turns over but won't start. There is no code set in PCM. Where to start?

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    Senior Member cpop98ws6's Avatar
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    Does it have fuel or spark when it cranks?

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    1935 Buick (Street Rod)

    It has fuel, 55psi. It has happened a couple of times before. 1st time no spark, this time is similar. I have checked that no PCM codes were set but cleared PCM anyway, but still won't start. Have disconnected battery for 15-20 mins, hoping to clear memory in PCM, still won't crank.

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    Junior Member Wagonmaster2's Avatar
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    black cherry
    1939 Chevy

    Gott check that spark before you go any further....

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    I take it you are running a stock PCM? I'd also verify that it is a non-spark issue and then start with grounds and relays. You can also inspect the connectors as the pins will occasionally get bent and not make contact.

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    Senior Member kingls1's Avatar
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    Quote Originally Posted by Wagonmaster2 View Post
    Gott check that spark before you go any further....
    Old thread, probably checked the spark since March
    99 Trans Am, SLP Lid, Blackwing filter, smooth bellow, Ported TB, LS6 intake, Ws6 lower ram air box, OBX LT's, Magna Flow cat back, LS7 clutch, Tick MC, Hurst Shifter, Frost Tune, UMI SFC,LAC, STB, PB, Torq Arm, Super Hawk hood, Torq Thrust II, Kee Audio.
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    1935 Buick (Street Rod)

    Wow, didn't think anybody was watching. I found my problem in the Feb. / Mar. time frame. Turned out to be cracked fuse holder separate from the main fuse panel. Replaced this and all is well. Thanks for the reply.

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    Good to hear. I did not check the date on your original post. Sounds like a fun ride!

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    Thanks for the help. Yes it is a fun ride. I've had it about three years and won 25 theories so far. It's nice to always crank.

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    I've got a couple of '66 Buicks tucked away in my project stash, and an '87 Turbo Regal. I do like the Buicks. :yep:

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