Ran out of gas and choked and died and wouldnt start. so i changed the fuel pump and it started right up. took it for a ride was still low on gas so i put about 3 gallons of gas in it. ran fine all the way home. got back in it and hasnt started since. really dont know what the problem is. i can hear the fuel pump come on and its getting gas. any help?
SOURCE: Gas consumption
My Answer:
Poor gas mileage can be a result of many many things.
First of all you need to find out what is the factory normal gas
mileage for your model year Jeep SUV. It should have said on your
window sticker if you bought it brand new. If you are a 2nd or 3rd
owner then a Jeep dealer would have info. Google search will tell you
as well, and only takes a couple minutes to find.
I did a quick Google search and for a 2003 Jeep Grand Cherokee with
a (4.7L V8 engine) the average mileage is roughly 14 mpg.
Not sure what engine you have as to options, etc?
How you drive will greatly change that number up or down depending on a number of driving and driver variables.
A few being -
Driving habits?
Tire pressures?
Engine tuned up?
Lube & oil/filter changes (every 5,000-7,500 miles? Air filter
changes (every 10,000-15,000 miles)? Read your auto manual for exact
recommended intervals.
How many people in the SUV on average?
Are you towing anything?
Type gas you are burning - BRAND? (See injectors below)
Area you are driving in (hills and valleys verses flat out,
etc)
Jeeps in general don't have a good track record for great mileage, and
rough engine idling is always a clue that your fuel injectors are
dirty. Typical on all Jeeps with port fuel injection systems! On Jeeps
with dirty fuel injectors your mileage will go way down accordingly. If
your not putting at least a 12 oz bottle of say Walmart brand Super
Tech Fuel Injector Cleaner (~ $1 each) in your gas tank religiously
every logged 1000 miles, or every 2 tank fill ups, then you are just
inviting dirty fuel injectors and POOR fuel economy!
My 1993 Ford XPLR with a 4L V-6 engine (and ~ 160,000 flawless driven
miles) gets roughly 22 miles per gallon on the highway with cruise
control on, and about 17 around town on average. I religiously put a 12
oz bottle of the above injector cleaner in my gas tank every 1000
miles!! Of course I do all my own tune-ups, general repairs, and
suspension maintenance (shocks, O2 sensors, trans oil changes, lube
& oil/filter changes, code reading and clearing, etc) myself and it
shows! I don't trust repair shops except for say Tires and Balancing at
SEARS.
Hope that helps ease your mind about gas mileage as it relates to your Jeep there.
Frank
SOURCE: 1994 jeep
That was when my problem happened. I put the battery in anyway, it apparently reset the alarm so if you lock both front doors then key unlock them the alarm will go off, but as soon as you start the car it will go off again.
SOURCE: No horn in '94 Jeep Grand Cherokee
go to the horn under your hood, check it for any thing wrong, then follow the power wire and follow it back to your steering wheal. this is where your problem is you just have to find out where the short is. and fix it.
tepfy
SOURCE: 1994 Grand Cherokee Jeep wont start
It is likely one of your battery cables loose. Same thing just happened to me today. What you need to do is first lock the doors, and close them. Then you need to disconnect, and reconnect the battery cable, then if the security lights still blink you must use your key to unlock the door, then it should stop blinking, and start just fine.
SOURCE: 2002 jeep grand cherokee with 4.0 engine will die but restart
p0340 is the cam shaft sensor, this will cause it to cut off while driving, hardtime starting, p0351 is the ignition coil A primary/secondary curcuit mal function. p1391 is ignition system misfire, this could be plugs, wires, or coils. first of all have the cam sensor changed and it may correct the rest of the codes. when fixed turn light off with obd2 scanner. if you do not have one, then any auto parts store will erase the codes fo free of charge.
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