20 Most Recent 2000 Jeep Grand Cherokee Laredo Questions & Answers

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Bank one sensor one problem with 02 on engine.

Check the vacuum line from the engine to the ac controller. There should be a one way valve that is bad. The other possibility is the vacuum canister is not holding enough vacuum.

A bad connection at the speaker or the unit could be a problem. Burned out amp section as well. This may help.

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which engine? 4L or 4.7L????? the pack shorted, buy a new pack, and pray it didnt burn up the PCM.ALL high voltage coils fail.Ignition, induction coils.by dirt, heat, and the fact there is the giant E fails (electrostat fields)all three work hard to kill insulation and plastic potted coil packs.also bad spark plugs can make this happen fasteras the voltage hits 100,000 volts in a misfire.the heat and time can crack most plastics.cracks are sure DOOM thing.the coil can also burn up if the ecu ignitor transistor shorts. causing gross infinite dwellthat burns up all coil packs .i always check my ignitor for shorts beforeputting in any new expensive coil.if you dont, you risk burning up the new coil in less than 5 mins.some swap packs and now you have 2 burnedfun to watch that? not.what i do is crank engine and measure my ignitor pulse. (with no pack there) if gooda new pack works. if no pulses the ignitor is bad.(where is your ignitor)? INSIDE THE PCM. this year. swap it out. why not just read the free FSm, as posted here over 200 times 2000 WJ jeep it is, and the book , see chapter spark. and error on this page, see instrument cluster and get igntiion grin, not my error.? grin chapter 8i -page 10 (8,eye) 4.0L and 4.7L sorry cant guess engines this life. the 4L has huge 6 pack coil RAIL that? athe 4.7L has, uses 8 COP got that? my wild guess, based on tea leaves and dosing rods. is V8 page 10 covers it http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service usually the left side goes bad, carbon trackingmost COP i just buy a new cop boot set for small money. why not youtube 1000 replacing a COP. you never posted a photo of the melt, as when i see real damage it talks to me big time.if the actual coil section melts, bad newsas you can see, it's just 1 screw at id 2.and one plug at id 3... super simple, to removetwist CCW, CW, CCW ,say 2 or three time,the pull out while TWISTING.. to avoid damage.the put back with dielectric silicon grease on tipand where body fits tight to head well bore

it stalls with foot in the throttle...... really.? try to say what you and car are doing at the od switch flips.. sure moving fast. but doing what, up hill down, flat, acceleration, decel, or coasting? ok, this can be real easy. engine tuned up is 99% ever heard of scan tool. connect it, and log data (or person 2 watches) and log DTC and streaming data? if the Magic relay called ASD drops the the engine stalls (this is its purpose) and if it did the SCAN TOOL tells you why it did. every time... asd class 101.: http://www.fixkick.com/Jeeps/ASD.html is transmission stuck in 3rd gear, limphome.?? the trans mission will not stall a car. 99% that is because the clutch has a stall speed. and slips greatly at idle, say 800rpm is hot idle , so if say the trans solid locked into top gear. and you came NEAR a stop sign, coasting... and braking.. say..... and as rpm dropped, the clutch will slip and no trans ever stalls the engine.99% unless the engine is super weak and misfiring hard. or ASD DROPs ! that is why we scan to see ALL ERRORS> engine and trans. see?

I would test coil and ignition module. Module has a low speed and a high speed section, so high speed part could be bad and cause unit to die, then start right back up on low speed part.

the system emails me and asks me to answer this old post. odd huh>? muy guess is the lamp is burned out. id scan it first. then do the full key on lamp tests. to see if any are burned out. the cluster self test is here. 98 + http://www.fixkick.com/Jeeps/jeeps.html#cluster if nothing else , its fun to do...??? but having real operators guide or FSM book allows you to see just what lamps are there. warning lights. to find the missing one........ might also be low battery is battery at 11v or 12.6v, rested. 12.6v is good charged battery but you never side car runs perfect. and headlights work. perfect and not dim. post any thing on car that does not work right first. besides (alien ) beeping.

your anti theft device is activated,you need to lock and unlock your doors a couple times with the key fob,not the key,and then you need to put the key in the ignition and start it,if you dont have your key fob,call your car dealer to get a new one,they are programmed for each car only,you cannot bypass it.

It's not too tough... But be careful ... First open and remove plugs... Then remove the chip from backside.... Now you can out..... Then do just opposite work for in...

no but only if you burped out all air , after service. no engine stated, why post engine questions, with no engine stated. how odd that.....????? that means you get basic simple answers. case in point, both heads?

Hi Paul it's not normal to have a leak. If its a small amount don't worry. You could get a fluorescent dye to add to the coolant this will show up a leak under ultraviolet light. If you are worried this is worth a shot any good Garrage will have this. Regards Jim...

When the temperature gets below freezing and you use a bargain windshiekd washer fluid or plain water, it freezes and won't work. I normally drain every drop, not just add to what's already in there, and refill with Prestone yellow windshied washer fluid that has a lower freezing point.

Your local auto parts store has a machine to check it for you and will check free.

move car to dirt or ice, gravel , off pavement PT is not for pavement unless covered in ice. the operators guide told you that. move to dirt and shift out. if you have not already damaged it.. that is.

A bad u-joint makes a higher frequency sound /vibration than say an unbalanced tire. If you have the v-8, you have all wheel drive and the front driveshaft is always driven. Crawl underneath and wiggle both front and rear driveshafts, if one move significantly more, you've found the culprit. Go ahead and replace all the U-joints at that point.

wild guess. U-joints bad.? (warning, almost all guesses are wrong) find someone (a mech) with hands to drive it and ears to hear it and diagnosis. grab the drive shaft by hand, (parked LOL) then man handle it. (think mud wrestling) can you see the joints flex , in a wrong way? google that or youtube that, and see right and wrong ways.

You can pull it apart and clean contacts but it is complicated and lots of small parts easiest way would be to replace with New or salvaged part

Unfortunately you are not alone on this one and having a few friends with Jeeps this gets interesting. The shortest answer I've seen is remove the Negative Cable from the Battery for a few minutes to allow the voltage to fall in the system. Just pulling it off and putting it back on won't work just like home electronics power is stored for a few minutes in the system. This has worked to reset the system for some and off you go. If that is not the case you will be heading deep into a lot of diagnostic work and in some cases replace the ECM (Engine Control Module) which is about $1,000.00 last time I got near a Jeep so don't be bashful about checking everything.