fuel mileage
Hello, I have a 05 pacifica with the 3.5. My gas mileage dropped from 20 mpg to 13 mpg. I changed spark plugs and got it to 14 mpg. I do have to replace water pump would that be the issue or something else?
Thank you |
Originally Posted by CRPenney
(Post 109652)
Hello, I have a 05 pacifica with the 3.5. My gas mileage dropped from 20 mpg to 13 mpg. I changed spark plugs and got it to 14 mpg. I do have to replace water pump would that be the issue or something else?
Thank you Is the check engine light on?..means the computer is seeing something not operating correctly and will have a code stored in it to assist in diagnosing as to what is happening. How does the car seem to operate? Engine running normally or hard starting/ performing poorly? How many miles on the odometer? |
It has 136000 miles on it. Idling hasn’t changed much. My scanner doesn’t show any codes or stored codes. It’s not over heating. There is a whine in the engine and I’m pretty sure that’s the water pump. No other pulley that is. |
Originally Posted by CRPenney
(Post 109654)
It has 136000 miles on it. Idling hasn’t changed much. My scanner doesn’t show any codes or stored codes. It’s not over heating. There is a whine in the engine and I’m pretty sure that’s the water pump. No other pulley that is. The 3.5 is timing belt driven with the water pump thrown into the mix, at your age and mileage...has the belt ever been changed. If not you're running on "borrowed time" to a complete engine failure as the 3.5 is an interference type motor. The stated info you have provided does not give enough to be able to suggest further than dirty injectors or intake air obstruction( the other 2 things needed for a running engine). Good Luck! |
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