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2010 Challenger cranks but no start #3267188
10/30/24 07:54 AM
10/30/24 07:54 AM
Joined: Feb 2003
Posts: 2,597
S.E. Michigan
cl440 Offline OP
master
cl440  Offline OP
master

Joined: Feb 2003
Posts: 2,597
S.E. Michigan
2010 Challenger RT

When I leave it sit for a couple weeks it will crank but not start. We try a few times with no luck. Finally this last time I pulled the air intake off the throttle body and grabbed a can of carb cleaner. Told my wife to crank it and before I had a chance to hit it with the carb cleaner it fired up and ran fine. She drove it to work and when she got home she started to back in the driveway and it stalled. I went out and hopped in and tried it with no luck. I put it in neutral so we could push it back. I decided to try one more time in neutral and it started right up. Started this morning and she drove it to work no problem.

Any ideas on where to start looking? No check engine light or any other lights are on.

Re: 2010 Challenger cranks but no start [Re: cl440] #3267189
10/30/24 08:09 AM
10/30/24 08:09 AM
Joined: Aug 2005
Posts: 1,391
Az
69hemibeep Online content
pro stock
69hemibeep  Online Content
pro stock

Joined: Aug 2005
Posts: 1,391
Az
Fuel pump getting weak, check the pressure. That's my guess


1969 Hemi Roadrunner 2nd owner
Re: 2010 Challenger cranks but no start [Re: 69hemibeep] #3267301
10/30/24 06:38 PM
10/30/24 06:38 PM
Joined: Sep 2014
Posts: 1,436
Central Pa
M
moparjim79 Offline
pro stock
moparjim79  Offline
pro stock
M

Joined: Sep 2014
Posts: 1,436
Central Pa
Going to second this as an easy start diag. Also, next time it sits for a week or two, key it on ignition without your foot on the brake and let it build full fuel pressure. If it starts with no issues then, pretty sure you found the culprit.







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