2004 Tj

ALLEN THOMAS

MEMBER
2004 JEEP WRANGLER TJ

Number 4 cyclinder not firing code. Changed spark plug, coil pack and injector. What next? Still running rough.

Friday, July 15th, 2011 AT 7:31 PM

1 Reply

CARADIODOC

MECHANIC
33,755 POSTS

Switch injector with one from a different cylinder to see if the code changes to that other cylinder. Chrysler has extremely little trouble with injectors, but if you already changed the ignition parts, that just leaves fuel and compression.

Please login or register to post a reply.

Related Spark Plug Replace/Remove Content

2000 Jeep Tj Spark Plug Change

I Changed The Spark Plugs On My Jeep A Few Days Ago. They Originally Had Champions And I Put Ngk's In. After The Change I Feel Like Ive Lost...

Asked by mjsetian ·

1 ANSWER

2000

JEEP WRANGLER TJ

VIDEO

Spark Plug Gap

Instructional repair video

GUIDE

Spark Plug Replacement

A spark plug is a vital part of the engine's ignition system and is responsible for starting the combustion process. As a part of an engine tune up, spark plugs should ...

97 Tj No Spark No Injector Pulse But Fuelpump Primes

I Parked The Jeep For 2 Days And When I Tried To Start It, It Ran For A Second And Died. No Codes Stored In Computer And Gauges/check...

Asked by 97heepTj ·

8 ANSWERS

3 IMAGES

1997

JEEP WRANGLER TJ

1998 Jeep Tj Jeep Turns Over, Has No Spark, Fuel Pump...

An Accessory Light Was Left On And The Battery Went Dead. Car Ran Fine Before This But Now There Is No Spark, No Fuel, But Turns Over...

Asked by randjen1 ·

5 ANSWERS

1998

JEEP WRANGLER TJ

2005 Jeep Tj Distributer Timing

I Removed The Distributer And I Would Like To Know How To Time It.

Asked by dan O'quinn ·

2 ANSWERS

2005

JEEP WRANGLER TJ

Need Help

Have A95 Tj Jeep With No Spark 2.5 Eng What Is The Problem

Asked by tammy010 ·

1 ANSWER

1995

JEEP WRANGLER TJ

Sponsored links

Ask a Car Question. It's Free!