Engine light coming on - JeepForum.com
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post #1 of 9 Old 01-20-2020, 07:19 PM Thread Starter
KsOutlaw
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Engine light coming on

Engine light coming on stays on all the time read the codes show s miss fire on number 2 cly. One time lite goes off little bit time pops Back on again code reads misfire no.6cly so on so on need help with this problem please

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post #2 of 9 Old 01-20-2020, 08:22 PM
kittykitty643
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I had that issue twice once the plug on the throttle position sensor was bad I wiggle it and it stopped 93 yj 4.0 then the plug on the fuel injector was broken from under hood heat
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post #3 of 9 Old 01-20-2020, 08:55 PM Thread Starter
KsOutlaw
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I,'ll take a look at the sensor
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post #4 of 9 Old 01-21-2020, 07:50 AM
TheBoogieman
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What year Jeep?

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
GOT IT BACK 6/17. 03' Rubicon/Zone 4.25" combo lift with 4" lift coils up front/Zone hydro shocks/5.13 gears/35" Mickey Thompson MTZ P3 tires/Black Magic brakes. Jeep #17 & 19.
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post #5 of 9 Old 01-21-2020, 08:13 AM
jtec
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I agree with The Boogieman Year Engine etc, post ALL codes...

Other than the light coming on any issues- hard start, no power, backfire?
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When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #6 of 9 Old 01-21-2020, 08:37 PM Thread Starter
KsOutlaw
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It's a2003 4.0 03tj wangler sport it does have low power
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post #7 of 9 Old 01-22-2020, 08:35 AM
jtec
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What can we do for you-
All that is needed is a SCANNER to look at live data and we would have a course of action.

You could inspect spark plugs and fuel pressure as well as taking advantage of a free code scan at most auto part stores. post ALL codes the retrieve.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #8 of 9 Old 01-22-2020, 09:24 AM
TheBoogieman
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Quote:
Originally Posted by jtec View Post
taking advantage of a free code scan at most auto part stores. post ALL codes the retrieve.
Key on and off trick works for 03' to get codes.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
GOT IT BACK 6/17. 03' Rubicon/Zone 4.25" combo lift with 4" lift coils up front/Zone hydro shocks/5.13 gears/35" Mickey Thompson MTZ P3 tires/Black Magic brakes. Jeep #17 & 19.
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post #9 of 9 Old 01-22-2020, 09:26 AM
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Quote:
Originally Posted by KsOutlaw View Post
It's a2003 4.0 03tj wangler sport it does have low power
Codes? Last time plugs were replaced with good Autolite APP-985's? Coil rail.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
GOT IT BACK 6/17. 03' Rubicon/Zone 4.25" combo lift with 4" lift coils up front/Zone hydro shocks/5.13 gears/35" Mickey Thompson MTZ P3 tires/Black Magic brakes. Jeep #17 & 19.
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