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What causes the engine to stall while driving when air temperature is over 90 degrees

(1990 Honda Civic)
in Madison, VA on June 24, 2010
On hot summer days
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Popular Answer
on October 15, 2010
Check your Main fuel relay, I had the same problem, and when a mechanic fixed/replaced, it ran in hot weather again!
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on December 13, 2010
I agree with the above. This model uses a 5 watt resistor inside the sealed relay,
and overtime the heat dissipated may cause a solder break. Electrical contact
cold, expansion with heat breaks contact.
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