1985 Astro Van: Engine Quits

Tags: marty

Quitting time for Astro

Q—The engine quits on my 1985 Astro van two or three times a month. It happens when slowing up for a stop or turning. I suspect the EGR valve. Could I remove the vacuum line and plug it to check, then reconnect it later, or will I hurt the engine?

A—There have been some problems with General Motors’ EGR valve, so your hunch may be close. However, disconnecting the vacuum hose will probably do no good, even though you will do no harm to the engine. The problem is more likely a buildup of carbon below the EGR valve. The valve will have to be completely removed in order to clean out the buildup.

Tags: marty

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