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Thanks for the suggestions guys. The car runs perfectly silky smooth most of the time with normal oil pressure/ temperature etc. It has the normal LS1 valve gear light tapping which disappears 10-20 seconds after starting. After a couple of miles of smooth (30 mph ) running , sometimes the...

HELP -My 1997 C5 has random detonation- Car runs perfectly except occasionally engine will start to knock loudly at low speed and idle - It sounds scary -like rod bearings rattling. Engine light illuminates and OBD scanner displays P108 MAP sensor high input - After resetting , using the OBD...

Re: DIC display erratic - Thanks for the responses- The problem started after the local Chevy dealer had carried out the "locking steering column recall modifications" All the DIC assy. plugs are firmly plugged in and there are no cables visibly trapped- so I will keep poking around- the...

My 98 C5 A/C compressor has a leaky body O-ring -I am going to replace the compressor. Any hints to save knuckle damage would be appreciated- Thanks, Wes.

The display changes randomly until the car has been driven about 30 min- then everything is normal- I guess it could be a plug or connector feeding the DIC display panel?

My display occasionally switches from English to Metric randomly- The display can be corrected via the E/M button but then it may change again. Once or twice the display has frozen completely for a few minutes and the reset or other buttons have no effect- Any suggestions?