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MPMoore, ASE Certified Technician
Category: GMC
Satisfied Customers: 2956
Experience:  GM world class, ASE master with L1. over 15 years expernace.
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GMC 1500 silverado: going on yrs my 06 silverrodo will

Customer Question

going on for 2 yrs my 06 silverrodo will not fire turns over but won't fire up after heavy rains
Submitted: 2 years ago.
Category: GMC
Customer: replied 2 years ago.
After it starts it will start all day it is only when it sits for a while during rainy or damp weather
Customer: replied 2 years ago.
Had a mechanic look at it he sprayed the engine down with water but it still started fine
Customer: replied 2 years ago.
the motor jump a little when trying to start
Expert:  MPMoore replied 2 years ago.
This is most likely due to moisture inside the distributor cap. On some of these trucks, GM recalled them to remove the vent screen inside the distributor to help reduce this problem. Your year truck did not have this recall but you may want to inspect it to make sure the screen is gone. You should also replace the cap and rotor with a GM part to help fix this issue.
Customer: replied 2 years ago.
how big is this screen
Expert:  MPMoore replied 2 years ago.
sorry for the delay. Its smaller then a penny. You have to remove the rotor to see it.