Question about 1995 GMC Sierra
I have a 1995 GMC Sierra with 350 engine. On cool mornings it will not start, but, in late morning when temps rise, it will start fine. And on warmer morning, in 50's and up, it will start fine. One mechanic said it might be the fuel pump, but I'd hate to replace it and find out it was something else. Any suggestions on what it might be?
Cool mornings sometimes means that condensation forms on the engine block and leads
Condensation causes tracking on the electrics
When it warms up the condensation dries up and there is no tracking.
It is worth throwing an old blanket over the engine if you reckon it is going to be cold to see if the problem goes away.(Leave a piece of paper or rag on the steering wheel to remind yourself to remove the blanket before you start the engine)
If that does the trick then go buy a can of "Ignition Seal" made by Holts and spray it on all of the electrics in sight when the engine is warm (NOT HOT!!), this will form a water proof skin on the leads.
Posted on May 27, 2009
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Posted on Jan 02, 2017
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