Crank but will not start

JUSTIN_ALLEN

MEMBER
2010 DODGE CARAVAN
3.8L
V6
2WD
AUTOMATIC
76,000 MILES

It has been sitting a year, was throwing a fuel filter code. I replaced the fuel filter and all the fluids before we tried to crank it. It would crank but not start. No codes anymore. Replaced the spark plugs and wires. Now it will start for a few seconds, then backfire and stop.

3 Replies

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

Have you checked the fuel in the fuel tank? Sometimes when a vehicle has been sitting for a while, water can leak into the fuel tank or sometimes the fuel will turn into a varnishy like substance that will gum up the fuel lines and injectors. Check the fuel and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros

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Friday, August 30th, 2019 AT 7:27 PM

JUSTIN_ALLEN

MEMBER
2 POSTS

When I dropped the tank and replaced the fuel pump and filter, I thoroughly cleaned the tank and inspected it before putting new gas in. All pressure to engine from tank is good as well.

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Friday, August 30th, 2019 AT 7:43 PM

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

Okay, can you double check that the spark plug wires are correctly routed to the right cylinders? I have included a diagram of the spark plug wire routing for your vehicle in the diagrams down below. Please double check the spark plug wires and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros

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Friday, August 30th, 2019 AT 7:54 PM