It's surprising what old school diagnostic equipment like compression testers, vacuum gauges, and volt/ohm meters can tell you about a modern vehicle. Computers are nice, but the stone age basic functions still have to be there, and in good working order, before brain surgery can take over.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!