Author Topic: sputter in 1st and 2nd  (Read 868 times)

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bammerman

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sputter in 1st and 2nd
« on: February 19, 2010, 03:16:20 PM »
And it almost dies.  My erg wasn't getting any vacuum so we removed (don't need emissions here) and adjusted the TBS.  What else could it be? Seems like a vacuum problem per 2 mechanics but haven't tracked down where it could be.  Any ideas?   :puzzled:

Man I can't wait to do the straight 6 engine swap!

Offline chardrc

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Re: sputter in 1st and 2nd
« Reply #1 on: February 19, 2010, 03:37:28 PM »
when did you check if the egr was getting vacuum?.. it isn't engaged until the jeep is warmed up and when its not idling or wot. can you give some more details. so it jut starters to cut our when you let off the gas to shift between 1st and 2nd or between all gears. does it change if its warmed up or cold.

just reread the thread name.. so its when you are driving and in the gears... the egr would effect that range of driving (assuming your not pedal to the floor). did this start / change with unplugging and capping off the line to the egr? if it was never engaging the solenoid could have gone bad that controls egr vacuum.. (i have no experience with disabling the egr so not sure what the effect would be other than more burnable air in the motor)
« Last Edit: February 19, 2010, 03:38:42 PM by chardrc »
1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

bammerman

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Re: sputter in 1st and 2nd
« Reply #2 on: February 19, 2010, 08:43:27 PM »
all we did was put 20x50 oil in for something with the rings. could that do it? thought it could be bad gas bt heat in and still does it. just started though the day after oil change

Offline dwtaylorpdx

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Re: sputter in 1st and 2nd
« Reply #3 on: February 20, 2010, 03:24:35 PM »
All my jeep has ever had is 20x50 for the most part...

Dave
94 YJ - 2.5 Hesco Cam B&B Ported - AX5 Trans w/Centerforce Dual Friction Clutch - 4" Rough Country Lift W/Skyjacker Shocks - D44 Rear/ARB - D30/ARB - ARB Compressor - Warn M8000 in Custom Bumper - Reunell Rear Bumper - Metalcloak 6" Body Armor Kit - Tuffy Console - 265x85-16 Tires - 2M Radio

bammerman

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Re: sputter in 1st and 2nd
« Reply #4 on: February 23, 2010, 10:30:53 AM »
My idle was all jacked up still.  put the old ISA in and it cured most of the problems.