20 Most Recent 2010 Jeep Wrangler 3.8 Questions & Answers

3.8L V6, (from old 3.3l ) OHV ,push rod simple ) same car as one of mine, same engine, mine is 08 p0300 means all 6 cylinders fail or combustion pressure, weak. at random. so not 6 bad spark plugs news and gaped to speck so is bad fuel? so is 6 clogged injectors,, NO. hot engine has normal idle rpm 800 or screams only. yes that is called gross misfire and lost of engine power too you forgot to say. got AF radiator water in the oil pan , looks like like chocolate milk? mine has 100k runs like new, water pump only failure ever, 100k miles me. seems like bad fuel to me. ,diesel put in to gasoline tank? the only weakness this motor I know is 2. 1:lower manifold gasket leaks and AF coolant falls to top of engine and down. replace coolant every 5years is win to avoid that. 2: egr failure sticking open and a pain to reach, unless right finder pulled fully im sure compression tests pass at 150psi up. sure. 50k miles how can it fail.? make sure at AM dead cold engine, rad cap off rad neck is 100% full of AF. never let it drop, and keep side tank 1/2 full cold. never forget to burp the coolant here as you replace it all as you fill it up.(AF antifreeze coolant) hose off here, heater) fill rad until it leaks here hose back then fill rad full to top of neck. https://drive.proton.me/urls/2AJBWHFE3R#n9DXuC8sIcOD link is new pump installed steps PDF

start at the centre and work out .bottom to top to bottom etc. Tension on bolts should be tighter in the middle to less on the ends . Get a manual for the tensions.

Read your owners manualWhy would a Malfunction Lamp come on,& then go off, if you don't diagnose the problem& make the required repair.That technology is 30 years old & your notup to speed?

I have asked for clarification on this. Possible causes are bearings like wheel bearings, locked up engine cooling fan clutch and noise in the rear differential from gear problems.

the users guide partially and for sure the SM service manual covers that. so it blows out right.? that is a 1998 TJ jeep real name if USA i have real oEM book here, on it , fully chapter 8w is wiring all 8w-10- is power distribution there are 2 fuse 19 , one under hood and one cab. so hood it is Left hand drive, USA, LHD the PDC fuse box has lid and F19 is marked there A/c clutch] first is F19>> clutch relay>>> AC clutch

nothing on dash means the whole IP cluster is dead.? (fuses)_ Fuses are first, repeat 3 times for effect. front and rear turns dead or? tell what does work all and does not, telling just one thing bad, is not really usefull. for sure power feed wise. head lamps work and park?????? keyoff and on work. horn works brake lamps dead? engine runs good. I just sold my 2002 wrangler the last good real jeep it was, my bad selling it. i have all jeep service manuals so easy to answer this 88 to 2010 on most cares I fix dead headlamps first it is hardwired to work at an any time and super simple if not DRL JUNK . 02 TJ jeeps (pure love)./ chapter 8w-52 'turns 'blinks, hazard]s fuse 7 and 13 not blown combo flasher not dead. 5 wires. and one pin is IGN, oops. ign is fuse 13,oops, is it blown/ Hazards dead is same fuse and same InG fuse good. IGN power comes form KEY switch page 8w-11 IGN switch wire BK-DG , 12vdc key on. if not fuse14 blown 20ams and goes to the battery direct. all fuses in the PDC must good, and now dead batteries or its 4 cable logs ends, loose or rusty. end. fuse 10 and and F24 kills the cluster. and f15 fuse is 10 head lamps too and a CB breaker. fuse 7 dead kills park /neutral switch ,

check the injectors and make sure there is fire on those plugs in 3 and 4

possible a failed hydraulic follower or cam lobe problem

Bobby, oil pan bolt torques for 4.0 Wrangler. Oil Pan Bolts 1/4 84 in-lbs Oil Pan Bolts 5/16 132 in-lbs As far as sequence, see last link, start in center, criss cross pattern tighten snug all, then repeat to torque spec. Check the attached links,instruction and guides, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." Oil Pan Gasket leaking http://jeephorizons.com/tech/99_40l_torque_specs.html 98 jeep 4 0 oil pan bolt torque sequence specs Google Search

buy a resistor pack https://www.diodedynamics.com/led-resistor-kit-pair.html

A check engine light means the computer found a problem. If the light is steady on, the problem may not be too bad, like a loose gas cap. If the check engine light is blinking, that's a major issue and you need to stop driving and have it fixed or major engine damage could occur.

test for switch failure

Could be an exposed wire in the steering column part of the switch

Hi, it is on the bell houseing near where the bolts connect bell houseing to engine on the driver passenger side, all the best.

Check your transmission mounts. Adjust the e braked by lifting the handle up and down 20 + times.

Check the power fuse to the computer. If the computer does not get power the engine light will not work. If the computer does not work it cannot ground the relay to the fuel pump.