Why does my car keep shutting down every so often?

Asked by Jan 21, 2016 at 01:08 PM about the 2000 Mercury Grand Marquis GS

Question type: Maintenance & Repair

While I'm driving my car shuts down as if I don't
have power to engine every so often. The only
code that a shop can read o's a cylender head
temp sensor but they state that's not why it's
shutting down. Can someone help me pls? I have a
new intake manifold, water pump, alternator,
cylenders and a new battery ( all new) what else
could it be?

1 Answer

1,435

You have to say what happens exactly. Which dash lights stay on, and so on. I'd replace the fuel pump relay just in case. There are real-time scanners that can be going while driving, some send to a smart phone. Could the fuel pump be going bad? Changed the fuel filter?

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