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View Full Version : ruff idle on my 5.3


jwend
03-23-2012, 10:14 PM
Got a Ruff idle on my 5.3, does anyone have a dignostic port for it and could help a brother out? It's in the jeep and I really don't want to trailer it to auto zone or take it to Cincy speed.

TomH
03-23-2012, 10:41 PM
Are you talking about an OBD scanner?

If you're in the neighborhood (Anderson Twp.) stop by and you can plug it in.

Good luck.

jwend
03-23-2012, 10:46 PM
yeah its a obd scanner, prob is it is in my crawler and that makes logistics a issue

carwash
03-24-2012, 12:12 PM
Give Coby a call jason, i know he has a hand held.

Or buy yourself a cheap one, yer gonna need it in the future. Will suck to try to diagnose at camp without one.

jwend
03-24-2012, 10:59 PM
Give Coby a call jason, i know he has a hand held.

Or buy yourself a cheap one, yer gonna need it in the future. Will suck to try to diagnose at camp without one.

I had a buddy stop over today I am gona get one for sho, his was on his lap top and was pimp, you could adjust settings etc on it

humpy
03-24-2012, 11:24 PM
Did ya get it figured out? What was it?

jwend
03-25-2012, 11:43 AM
I had a few stored codes romoved those, re ran it and it reads its runin lean, gota figure out what's I need to.do to fix that

biggin69
03-25-2012, 11:57 AM
How many miles are it? Does it do it all the time or is it worse when it is cold? The reason I ask is because my truck (1999, 5.3) started with a rough idle when it was cold, and continued to get worse over time and run rough when warm. Got lean codes, misfire bank 1 & 2 codes, yada, yada, yada. Finally narrowed it down to the intake gasket. Super easy to replace. Good luck tracking down the problem. :beers:

underpowered
03-25-2012, 12:00 PM
How many miles are it? Does it do it all the time or is it worse when it is cold? The reason I ask is because my truck (1999, 5.3) started with a rough idle when it was cold, and continued to get worse over time and run rough when warm. Got lean codes, misfire bank 1 & 2 codes, yada, yada, yada. Finally narrowed it down to the intake gasket. Super easy to replace. Good luck tracking down the problem. :beers:

X2 intake gaskets are a common problem on them.

humpy
03-25-2012, 04:10 PM
Yup intake gasket and replace #7 injector while it's apart... It collects the most ****

kirbyiv
03-25-2012, 10:51 PM
what type of fuel system are you running?

sarge
03-26-2012, 12:18 PM
Just FYI also , the LS motors will run like crap if the throttle body gets dirty , My 6.0 started running rough and stalling at stops. $3.99 bottle of TB cleaner and it runs great, I think I have cleaned everyones TB on my street now :D

jwend
03-27-2012, 02:45 PM
Walbro GSL392 Fuel Pump (External)
Fuel Filter/Regulator
20 Feet of 3/8" High Pressure Rubber Fuel Hose
Fuel Line Clamps
Adapters


thats my set up kirby,

http://www.ebay.com/itm/400212661347?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2648