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The jeep's rpms drop real low (mostly at idle but sometimes…

Customer Question
The jeep's rpms drop...

The jeep's rpms drop real low (mostly at idle but sometimes when shifting to 2nd gear) The check engine light flashes but does not stay on.

Mechanic's Assistant: Does the light stay on, or does it blink?

Just blinks

Mechanic's Assistant: What is the model/year of your Jeep?

2005 Wrangler 4.0. I have cleaned throttle body, changed tps, and idle air control

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

Cleaned throttle body, changed tps and idle air control

Submitted: 5 months ago.Category: Jeep
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Answered in 2 minutes by:
11/15/2017
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago
Jaybird61
Jaybird61, ASE Certified Master Technician
Category: Jeep
Satisfied Customers: 2,311
Experience: Automotive Instructor at Palm Beach State College
Verified
Hi my name is***** you had the computer tested for codes? What codes are stored? Blinking check engine light is usually a engine misfire.
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Customer reply replied 5 months ago
The light on comes on when the rpms drop. It is an intermittent problem. Happens pretty regularly but nothing predictable. Checked for codes but the mechanic said when it happens the codes are all over the place and not the same
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago
What are the codes they get?
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Customer reply replied 5 months ago
I'm not sure
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago
You can go to most parts stores and they will scan for free so I can help you diagnose the problem better. Otherwise I would guess it is a wiring harness short or a computer problem.
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Customer reply replied 5 months ago
I will go try and get a code for you
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago

Ok. Let me know?

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Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago

My goal is to give you the best experience possible! I hope I have earned a 5 star rating! Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. If you need more assistance, please use the reply box and let me know.

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Customer reply replied 5 months ago
Couldn't get a code. Any other suggestions
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago
Did you use a scanner? Some scanners may not work.
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Customer reply replied 5 months ago
Went to both O'Reilly and AutoZone. Both hooked their machines to the Jeep and neither got a code
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago

Check to see if fuse number 26 in the engine compartment fuse box is blown?

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Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago

This fuse powers the OBD connector so it powers scanner.

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Customer reply replied 5 months ago
Ok. I'll let you know this afternoon
Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 5 months ago

Have you had any issues with the instrument cluster?

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Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 4 months ago

I have not got a response from the last answers I sent you. Do you still need assistance?

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Jeep Mechanic: Jaybird61, ASE Certified Master Technician replied 3 months ago

If no other questions can you please enter a 5 star rating so I can get credit for helping you and can get question closed out. Thanks.

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