Question about 1991 Mitsubishi 3000GT

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My gto wont start

It will turn over but no spark comeing to plugs. how and where do you flash code a GTO to find out whats wrong???

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Pull out the main computer that is under the radio. Open it and look to see if the capacitors have leaked and coroded the traces under it. These years are bad for that.

Posted on Aug 02, 2009

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Well for starters, it sounds like there is no spark because of maybe a bad coil pack or that whole unit. as for the flash code, sorry cannot help you there

Posted on Jul 20, 2009


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For a carbureted engine, backfires can be caused by the valve train timing being way out.
Set your timing properly first, and then move forward from there.
Blackened plugs definitely mean too rich a mixture, and maybe not enough spark to burn it all.
I've never seen a bad vacuum hose cause backfiring, but it will help very much to fix any vacuum leaks you can find.

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