2003 Forester runs rough after a rain
10

Asked by Catt1958 Sep 11, 2018 at 08:53 AM about the 2003 Subaru Forester XS

Question type: Maintenance & Repair

Bought this 2003 Forester 5 yrs
ago. Have had no problems until
last Fall. After a rain it would run
rough & back-fire a couple of
times then run fine. If driven for
30+ minutes, it would be okay all
day. But 2 nights ago we had a
bad rain with flooding. Started fine
, took me about all day, avoiding
deep water. Last night, it has
struggled to start & doesn't turn
over. What could it be?

3 Answers

F_O_R answered 5 years ago

I would replace the plug wires and seal the boots with dielectric grease to keep moisture out. Do you still have the plastic splash shield below the engine?

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10

Catt1958 answered 5 years ago

Thanks! Seems my garage guy feels that is the problem! I don't know about the splash guard but will ask!

1 people found this helpful.
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F_O_R answered 5 years ago

Look under the car. If the splash guard is gone you will see the engine.

1 people found this helpful.
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