2002 work truck 6cyl wont start after sitting or rain

wmill54562
Posts: 1
Joined: Tue Nov 27, 2012 2:37 pm

2002 work truck 6cyl wont start after sitting or rain

Unread post by wmill54562 » Tue Nov 27, 2012 2:44 pm

truck has 168k on it no issues really. After truck sits and when wet/rain doesn't want to start. Tried map sensor, fuel sensor. Sometimes smell fuel when cranking and wont start. Backfires and sometimes catches and runs. other times starts and runs no issues. sometimes cuts out but then runs fine.
Codes come up off and on as miss fire on cyl. but light goes away

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ProTech
Posts: 651
Joined: Wed Oct 17, 2012 10:08 am

Re: 2002 work truck 6cyl wont start after sitting or rain

Unread post by ProTech » Tue Nov 27, 2012 9:19 pm

This is probably the easiest fix! What gave it away was how it acts up when it's wet outside.

You need to replace the distributor cap, rotor and ignition wires. Spark plugs too if you haven't had a tune up in a while.
GM Dealer Technician For 18+ Years
In the automotive industry for 20+

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Re: 2002 work truck 6cyl wont start after sitting or rain

Unread post by Guest » Wed Nov 28, 2012 1:31 pm

It does not have cap and rotor. Replaced wires recently

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ProTech
Posts: 651
Joined: Wed Oct 17, 2012 10:08 am

Re: 2002 work truck 6cyl wont start after sitting or rain

Unread post by ProTech » Wed Nov 28, 2012 11:19 pm

If you have the 4.3 liter V6 engine, then you DO in fact have a distributor cap and rotor.
GM Dealer Technician For 18+ Years
In the automotive industry for 20+

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