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My fuel gauge is fluctuating. I have already replaced the…

My fuel gauge is...

My fuel gauge is fluctuating. I have already replaced the fuel pump but the gauge is still fluctuating. I am thinking bad connection in the wiring now... jeep cherokee sport 2000

Mechanic's Assistant: Have you ever replaced the fuel pump, or is this the original?

Yes

Mechanic's Assistant: Are you fixing your Cherokee yourself? What have you tried so far?

I have replaced the pump, got new injectors, replaced the fuel line

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Yes, I think I also may have a bad einjector since I have to turn it 4 times to start it

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Answered in 7 hours by:
3/18/2018
Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Jeep
Satisfied Customers: 52,718
Experience: 16 years of experience
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Although fluctuating is the gauge reading pretty much accurate?

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Customer reply replied 4 months ago
only when the gas tank is full, once I start depleting gas and geto down to about 3/4 the gauge starts bouncing to empty and back to full and then empty again.

Use a scan tool to see if the PCM/ECM is getting an accurate fuel level reading. If not then there is a concern in the wiring between the computer and tank. If the computer shows accurate then the issue is the gauge in the instrument cluster.

You now will see a rating scale 1=bad to-5=excellent because I have posted a full or partial answer instead of an info request. When you rate I get a portion of the deposit you made, no rating means you still paid, but I earn nothing. My goal is understanding your question, and addressing it in full detail. In return, receiving a 5-star rating. Rating does not close the post or stop the conversation. Please keep in contact and reply as much as needed. Thanks, Chris

Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Jeep
Satisfied Customers: 52,718
Experience: 16 years of experience
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