Have a Ram 3500 Diesel and wont start in the cold or wet weather on 2003 Dodge Ram 3500

It will start if sprayed with wd40 in air intake

by in San Jose, CA on February 28, 2012
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1 answer
ANSWER by , February 29, 2012
Check your ecm for codes, pending codes or historical codes. If no codes you will need to view live data and check for any anomalies, glow plugs etc.