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Moisture affects starting

Tiny
GRUMPYONE
  • MEMBER
  • 1992 TOYOTA COROLLA
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
The car is harder to start and stumbles after a moderate to heavy rainfall or fog. After the engine reaches normal operating temperature, it runs fine.
Tuesday, March 12th, 2019 AT 1:49 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Moisture is getting on the distributor cap and wires that go to the spark plugs.

Try getting some clear spray paint and spray it on the cap and wires. It will seal the parts from moisture getting into the distributor and it not starting.

Roy
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Tuesday, March 12th, 2019 AT 3:32 PM
Tiny
GRUMPYONE
  • MEMBER
  • 8 POSTS
I suspected as much and would further guess either spraying it with some WD 40 once it is wet and/or replacing the cap and rotor.
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Tuesday, March 12th, 2019 AT 7:19 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Yes, that would be a better option.

No, to WD. That conducts electricity.

Roy
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Wednesday, March 13th, 2019 AT 12:28 PM

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