Driving back home, sped up to pass a car when oil pressure light came on. Stopped and checked oil but oil was fine. went ahead a little further, then the jeep died. Started back up fine and made it to gas station. checked oil again and again fine. tried to make it home and died again. this time it wont start. its not the battery. oil level is fine. no overheating or leaks. it only clicks once. im afraid the engine may be froze but how and what are some other possibilties. 2002 jeep liberty limited edition 3.7 with 108,000 miles.
Well I had the same problem and wow was I surprised man. I have a code machine that plugs into my car and tells me what wrong with it then I fix it. It read that I had a misfire #1 so that means my spark plug is dirty or something like that. When I took off the spark plug it was smashed in that was a good sign.. I called a mechanic friend of mine and he said that my head and piston were damaged but would not really know unless he took it apart. What he said was true and cost me a great deal of money..!!!! Now searching the web I have found that there many jeep liberty with the same problem just different spark plug locations so I wonder if Jeep knows of this issue but will not acknowledge it.. If you need more information please email me at firstname.lastname@example.org
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Did you check the oil level? After making sure that oil and water are at proper levels, and BATTERY is fully charged, start it again while checking the fuel pressure at the fuel rail. Also check and make sure vacuum line to fuel pressure regulator is good and hooked up.
If it doesn't start,try it with the MAF unhooked. Sometimes a bad MAF sensor will keep them from starting.
Outside chance of a bad alternator too. don-ohio
oil, check engine and battery will always be on when the engine is dead--because there's no oil pressure, nor battery charging. A faulty oil pressure sending would never prevent the engine from starting. You'll have to tow it to a shop to find out why
lets hope its not a bad motor from lack of oil pressure, the loss of brakes and steering is due to the engine stopped running this is normal, but hte oil light coming on with the engine running is not good, you will need to see if the engine spins and trys to start, this will tell you a little bit, if it spins then it didnt lock up, and maybe its a fuelpump or timing belt that let go, you will have to do some testing ,check for fuel pressure and spark at the plugs,
This fix works for 2.7L engine. Worth having your mechanic look at.
Answer NO: 08-36-99 SUBJECT: Engine Oil Pressure Light Flicker DATE: Oct. 15, 1999 OVERVIEW: This bulletin involves adding a terminal/wire/vent to the oil pressure switch connector.
NOTE: THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 2.7L ENGINE.
SYMPTOM/CONDITION: With a hot engine the oil pressure light may be on or flicker on at idle.
DIAGNOSIS: Verify engine oil pressure as described on page 9-21 of the 1999 Concorde/Intrepid/LHS/300M service manual (Publication No. 81-270-9140). If engine oil pressure is within specification perform the Repair Procedure.
PARTS REQUIRED: Qty Part No. Description 1 05017800AA Wire Terminal/Vent
REPAIR PROCEDURE: Raise vehicle on a suitable hoist. Remove engine oil pressure switch connector from switch. Remove sealing dart from the empty cavity at the rear of the connector. Pull terminal locking ring outward from front (switch) side of connector to gain access to terminal locking tabs. Install wire terminal/vent, p/n 05017800AA, in place of the removed sealing dart. Slide locking ring back into place. Attach the connector back on the oil pressure switch. Spot tape the wire/vent to follow the harness towards the top of the engine compartment.
it sounds to me like it could be the alternator im afraid but the only real cheap way to tell is time. if you continue to drive this and keep a check on wether it still starts or lights dim, with it being a new battery it is going to take a while fot it to go flat. if it does then try not to drive it too much as this will break it and cost you even more.
when you press the brake pedal the brake master cylinder vacuum booster takes vacuum away from the engine and that slows the idle speed just enough to trigger the low pressure oil light. Pull the oil pressure sending unit out and hook up an oil pressure test gage, if the pressure is above 15 PSI hot engine idle in drive replace the oil pressure sending unit.