I was told that my Check Engine light always comes on to remind me that it's time to change the oil or perform maintenance or whatever. I'm on top of everything but I need to turn this light off. It comes on for about two minutes EVERY time the engine is started. Thanks
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88 765 w/2stage boost (TO.)

88 does not have a "check engine" light. It does have a "service" light. It trips every 5k for turbo, 10k for non turbo. Oil change/maintenance reminder. Air bag cars have a button on the speedo face under a rubber plug. Earlier non air bag cars have a button on back of the cluster in the speedo area.

On my '88 764Ti, the button is on the instrument panel, behind a small rubber plug in the lower part of the clear plastic. Remove the plug, push hard with a small tool (I've used a round toothpick), replace the plug, and you're set for another 5K miles.

Some people throw the plug away.

'Check engine' means something is wrong and you need to check it. If it's 'Check Engine', then you need to go here:

http://www.brickboard.com/FAQ/700-900/EngineOBDCodes.htm

and read how to retrieve the codes to find out what is wrong with your car. If it's a 1988 though, I'm not sure if you have OBD (OnBoard Diagnostics) or not. The FAQ says 1988 and newer has it, so you should hopefully have it.

'Service' is a periodic reminder that you can reset. The procedure for resetting is here:

http://www.brickboard.com/FAQ/700-900/ElectricalInstruments.htm#ServiceLightResetinVariousModels
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Kenric Tam
1990 Volvo 740 base sedan (B230F)
My Volvo 'Project'
(Page is back up!)