Question about 2001 Jeep Grand Cherokee

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My 2001 grand cherokee has the engine light on, the coolant is alwasys running low, and I have a evap leak

The evap is leakin and my truck is always running hot

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  • Jeep Master
  • 20,706 Answers

Evap leak can just be a bad, gas cap or not tight. and is not an issue here. its just a tank vent.
the loose is serious
the collant called AF, (antifreeze ) can only go a few places.
1: to the ground.
2: to the passengers does, heater core leak.
3: to the oil pan, did you check oil for AF contam?
4: to the A/T pan, did you check the A/T dip stick for contam?
5: to the exhaust tail pipe tip, called STEAM.

find the the path and problem is obvious.

if all 4 dont pan out (pun intended) then use the 2 rad tests.
got oil in the AF, filler neck, on cold start, before start, off the RAD cap and look , got oil there?
does the rad leak down test fail> (a tool)
does the green/blue tester fail, (exh. gas in RAD found)>>>>>????
does a compression test fail,?
does a cylinder leakdown test fail..

all are simple tests.

Posted on Mar 18, 2014

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: small evap leak

The evap leak is short for EVARORATIVE EMISSIONS SYSTEM, NOT AC EVAPORATOR, AC leaks do not cause the truck to fail emission, most likely the problem is a defective gas cap. Also the code you give (P0244) is a watse gate code, please provide the correct code.


P0244
Turbo/Super Charger Wastegate Solenoid A Range/Performance

Posted on Oct 31, 2008

  • 1 Answer

SOURCE: 2001 Jeep Grand Cherokee 6 Losing Coolant

Pull your oil cap, check on the underside, if its white and thick you need a head gasket. that would explaine why the dealer telling you that you need a new headgasket. if it "looks normal" change your water pump.

Posted on Jan 23, 2009

  • 103 Answers

SOURCE: jeep grand cherokee slow to start

THE THINGS YOU MENTIONED WON'T AFFECT CRANK SPEED. YOU'RE BATTERY IS PROBABLY ON THE WAY OUT THE DOOR. LOOK FOR CORROSION AND LEAKING BATTERYLIKE AROUND TERMINALS AND POSTS. BATTERY IS PROBABLY LOW ON CCA'S. NOW IF TALKING ABOUT WON'T START AND TAKES LONG CRANK TIMES IT CAN BE FUEL PUMP LOSING PRESSURE IN FUEL RAIL OR LACK OF FUEL PRESSURE CONSIDERING WHAT YOU MENTIONED. EVAP SOLENOID WILL USUALY SET A CHECK ENGINE LIGHT AND WONT AFFECT STARTING USUALLY UNLESS YOU HAVE A HUGE VACUUM LEAK

Posted on Jul 13, 2009

calilourw1
  • 12 Answers

SOURCE: 2003 Jeep Grand Cherokee Laredo - Code P0456 EVAP leak

open hood and ck for broken vacuum hoses going to the purge valve(2 vacuum ports and a wiring connector)
on the drivers side between airbox and firewall
if good remove driver side rear tire and inspect hoses next to the gas tank and 3rd, the canister is in that wheel well also insp for cracked hoses there also, been working for jeep 12 years i charged people about 1 hour to correct this probem.

Posted on Dec 18, 2009

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  • 6982 Answers

SOURCE: I have 2001 Jeep Grand Cherokee Laredo and it is leaking coolant

Front drivers side could be a bad cap, lower hose or the radiator itself. You need to look carefully and find the leak source. Steam travels and isn't a good indication of where the actual leak is coolant will run down and take any path it can to reach the ground. Therefore, you need to follow it back to where it is coming from, then deal with it. Your water pump can also leak and run down the lower hose. there is a small hole in the pump behind the pulley. If you see coolant coming from there the pump needs to be replaced. Sealers will not work on hoses or pump leaks so don't bother using them for that.
Good luck...don't forget this is free, so rate answers!
I will answer follow-up questions too!

Posted on Jan 25, 2010

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Hello cranky48also,

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THE THINGS YOU MENTIONED WON'T AFFECT CRANK SPEED. YOU'RE BATTERY IS PROBABLY ON THE WAY OUT THE DOOR. LOOK FOR CORROSION AND LEAKING BATTERYLIKE AROUND TERMINALS AND POSTS. BATTERY IS PROBABLY LOW ON CCA'S. NOW IF TALKING ABOUT WON'T START AND TAKES LONG CRANK TIMES IT CAN BE FUEL PUMP LOSING PRESSURE IN FUEL RAIL OR LACK OF FUEL PRESSURE CONSIDERING WHAT YOU MENTIONED. EVAP SOLENOID WILL USUALY SET A CHECK ENGINE LIGHT AND WONT AFFECT STARTING USUALLY UNLESS YOU HAVE A HUGE VACUUM LEAK

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