PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

what does this mean??? HELP

Old May 30, 2009 | 05:20 PM
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Default what does this mean??? HELP

been happening for bout a week now. ill be driving down the road and all my dash lights, low oil, low trac, tcs off, so forth and so on, will all come on for about 2-3 seconds...it seems to happen when i hit a bump in the road. its like something is loose. also when it happens my speedometer will drop like 5 miles and hour for like a split second and then shoot right back up. i have no idea where to start!

PLEASE LET ME KNOW!
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Old May 30, 2009 | 08:46 PM
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sounds like a ground problem to me.....check your battery terminals
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Old Jun 1, 2009 | 12:33 AM
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i like hand checked em tonite and they seem to be pretty snug...any other thoughts?
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Old Jun 1, 2009 | 06:13 PM
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there is a ground wire on the drivers side fender well in the engine bay under the fuse box, check that. there should also be a ground strap going to the motor mount area in the same place
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Old Jun 2, 2009 | 04:23 PM
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Also check the ground on top of the passanger fender
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