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Previous Poster is 100% Correct. It is NOT a good idea to Run your JEEP WITH OUT a Thermostat. Engine is designed to RUN at a Certain Temperature--- Running without a Thermostat will Usually result in the Engine running cooler than it was Designed to. IF you have to Run it---With out a...

Just wondering IF the Poster on this Thread --- Got his Jeep PCM problem sorted out?? Interesting Problem! Anybody Know? A follow-up Comment to the Post I made on this PCM Problem. Besides the Excessive HEAT and Voltage I Mentioned--- It is important to Remember that PCM's (essentially a...

Glad you liked the REFERENCE. Material I suggested. There was some Good INFO in there. I especially Liked the Book by Rundle -- Dealing with HIGH Performance automotive Applications! Not sure IF the guy who started the Thread -- Got it all Worked out--- HOPE he got it all sorted out. We...

It sure SOUNDS like a: Squealing Serpentine Belt. Does the Squeal Diminish in Sound Level -- IF you spray a little water on it? A. Few things to CONSIDER: 1. Have you Replaced the Serpentine Belt Lately? 2. Check your Belt Tensioner - OK? 3. If you have REPLACED drive components (LIKE Clutch...

Sounds like an Issue with PCM's. OBD Code--P1608 is the KEY here. This Code indicates a : LOSS of Serial Communicàtions. The PCM is NOT Talking to ANY devices! NOT GOOD. This NORMALLY indicates an Internal Computer Issue! (Bad PCM) Next question --- What would CAUSE the PCM to Fail? ONLY Two...

The PCM is mounted ín the Engine compartment-- On the Firewall - Near the Coolant Reservoir. The screws are for the Cover (2) and only Need to be backed out about a - 1\4. Of an Inch-- They are TORX fasteners. The PCM has 3 large Rectangular Connectors going to it! And this May or May NOT...

Let us know how it turned out. To Recap: It's. A '95 Cherokee with Manual Temp. Control -- Right? Blower motor does not work - Any speed? A. DVM (multimeter) Could be handy on this problem! Some POSSIBLE things to Check: 1. Blower Motor Resistor -- Can RULE out If Blower does NOT work on...

BTW --- I just wanted to mention something here -- and give some credit -- where Credit is due! There is a VERY GOOD Post on this Board --- Dealing with the - - AZC system(Auto Zone Control) It is under the HEADING: New Blower not getting the Job Done! It is an EXTREMELY Detailed and WELL...

Ah yes --- the Infamous Blower Motor Problem! This is a common failure mode in: 1999 -- 2004 Cherokees! I believe your JEEP falls in that Window. This, in fact, almost sounds like TWO problems. The First. -- Cold Air on the Passenger side-- sounds like a BLEND DOOR Issue. The second...

Yeah -- It can get a little Scary---the MPG can slip a little from the ORIGINAL OEM-- Numbers! Try to keep a Fairly Sharp Tune on the Engine New Plugs - Clean the Fuel Injectors--New air filter--Change OIL -- Also: Fuel Filter. All the FUN stuff. At the PRICE of Gas -- You can Hardly AFFORD...

Yep. It sure did sound LIKE a broken timing belt. Hope it does not cost an arm and a leg! LOL! -- Good luck with the repair! JB

You COULD have a. Stuck Starter Solenoid -- OR there might be an Issue with the Starter. You can TRY replacing the Solenoid -- as a FIRST thing to try. If it Fixes it-Great! If not, Back to the drawing board (starter?). How many miles on your Engine? Which. Motor do you have IN. Your...

Do check your firing order. Also, you may want to check your Spark Plug Wires. Have you replaced your Distributor Cap and Rotor? A few things to try-- Jb

Yeah. - - That is. Enough said. Enjoy the Reading Material.

It MIGHT Be! But, you have THREE different OBDll. Codes to deal with: P2074, P0016, and. P0340! That is a lot of codes! The. Codes mean: P0340 - - Camshaft position sensor circuit. P0016-- Crankshaft\Camshaft Timing Misalignment. 3. P2074 --- Manifold pressure- Throttle pos...

I. Do have SOME References for you. -- Read this and YOU can become an EXPERT on Cooling. Systems! LOL!! I thought you COULD ONLY shout VERBALLY-- Not in Text!??? I'm not sure IF you were KIDDING -- OR NOT? Did ANY ONE Else get that ImpressioN??? My Posts tend to contain a lot of TECHNICAL...

Gentlemen: Previous Poster has ASKED for a REFERENCE for this fact. OK. Many fine ARTICLES exist in AUTOMOTIVE Texts -- And On the Internet -- which will support - - My Post and Jesters Post! But, just to clear it up-- Here is Thermostat 101 : The PURPOSE of the Thermostat is to MAINTAIN the...

For wiring Diagrams you can try - - - - 1. Chiltons Manual OR 2. Haynes Manual. OR 3. Chrysler Service manual for your jeep -- OR 4. Try the Internet--- You should be able to FIND. Wiring Diagrams --- one of those sources. Electrical problems -- can BE some of the tougher problems to SOLVE...

Previous. Poster is Correct! Cooling. System is Designed to work with a Thermostat --- It does create a Necessary restriction for the cooling system to work properly-- it allows the coolant to circulate thru the system at the correct rate--- allowing the HEAT from the coolant to...

Your welcome! I have writers cramp - AFTER Writing it! LOL! A few questions - For the NO START Problem: 1. Do you have 12V to Positive Side of Ignition Coil?? 2.ANY Spark out of Ignition Coil - when CRANKING? 3. Any other CODES? -- 4. Did You. RE-verify --- ALL WORK --Performed on JEEP OK...