Thursday, September 22, 2011

'99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?

I have been noticing that my jeep is having a drastic decline in fuel mileage. I was getting around 330-350 miles per tank. The last couple tanks I got 210!! I replaced my spark plugs, distributor cap, and spark plug wires. No discernible change. I have also noticed a loss in power and acceleration. Any ideas about what is going on or how to fix it?%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
This happened to me last month. I dont know if this could be your problem but....



The last time i got my oil changed the oil they used was defective or something and the it turned into a sludge and went through the engine.



I had to put my car in the shop for 2 weeks.



bring it to the dealership%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
i hate to sound dumb and say something so obvious but... check the air filter...%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
Fuel filter, fuel injector, air filter, tire pressure. Start there. Sometimes the computer needs to be reset. Take the battery cables off and leave them off for at least 30 minutes. Sometimes you need a new computer. Hope some of that works!%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
did you replace the fuel filter? If not try that and add a good injector cleaner to a full tank of fuel.%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
1. Change air filter

2. and gas filter.

Those are the 2 cheapest things that might help.



Either could cause the loss of power and acceleration--but the gas filter is the most likely cause of the 2 listed.%26039;99 Jeep Cherokee is getting ALMOST HALF of its previous fuel mileage.?
sounds like you might have a fuel system problem, try going under and replacing the pump and the lines



you might also be losing power due to a failing ignition box,



you're best off taking it down to a trusted auto shop and having them run a diagnostic test
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