hard to start 2007 Dodge Grand Caravan 97,000 miles

Asked by Apr 03, 2014 at 10:26 AM about the 2007 Dodge Grand Caravan SXT

Question type: Maintenance & Repair

My 2007 Dodge Grand Caravan has become hard to start. Used to be on the first turn of the key it would start right up but recently it takes what seems like a long time cranking to start and then runs rough for a minute or less before smoothing out. In addition there will be a strong smell of gas or a sweet smell of gas(hard to describe) after a hard start. We also got the code p 0300 and p 0301 so we changed out the plugs and the plug wires and it seems to have helped slightly but not much. One thing to is that once it has started if you turn it off and immediately try to start it, it will start on the first crank but once it sits for even a few minutes it is again difficult to start. Also when we fill up with gas it will start on the first turn as well. any ideas?

2 Answers

50

I have same problem,exactly same problem on Dodge 2006 Grand Caravan. I replaced spark plugs and wires. still code P0300. Is there anyone to know this problem?

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60

my best guess is the same as with my 2005 grand caravan there is an anti flow back valve in the fuel line at the fuel pump that has failed. so when the car has been running and recently shut off the pressure is still in the fuel lines. but if you wait a short time and try to start it the fuel lines need to re pressurize. so you can replace the fuel pump or you can turn the key to the on position for a few seconds before trying to start the vehicle. that would be KOEO (key on engine off) while the lines pressurize this will alleviate the hard start and the sweet smell of gas being dumped into your exhaust manifolds

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