Question about 1997 Jeep Grand Cherokee

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Water pump replaced...stalls when foot is off accerlator

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If the engine is stalling with your foot off the pedel then look at the iac motor,make sure it is plugged in,also check for stored trouble code,then erase them,if you had the battery unhooked when doing water pump then this is normal,just keep the rpm up for a few min to let ecm relearn idle speed, when the battery is unhooked all the learned info in ecm is lost, i.e idle,shift points etc...

Posted on Oct 02, 2009

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I have a 1996 jeep grand cherokee limited 4.0 straight 6 and every once in a while it seems to want to stall and dose at times. i have replaced distrubter cap, rotor,coil,plugs,and wires and it still has...


answering for USA not export model.
great question and is now tuned up, scratch off top contender, yes.
stalls, are cause by 6 reasons in physics, or 50 parts, fails.
lets work the 6, mo easy.?
but ill pause now and do my 20 questions,(sorry, i cant see all)
I'll assume those spark HV wires are put on one by one and not scrambled. and gaped to spec? (under hood spec. sticker?)
Does the CEL glow just before the stall? or with scan tool attached
does it log (store) DTCs at stall or near?: use a scan tool and win.
they can be had for 10 bucks, (elm327)


  1. can you save the stall fast right foot actions?
  2. if yes, can you do it with tiny foot or huge (takes near wide open throttle to keep er' going"
  3. if stalled does it restart fast or take or take, wot FOOT ACTIONS. YES ;/NO OR WOT WORKS.?
  4. if it dont start, does the classic, spark test x6 pass muster?
  5. when it starts after stall, got black tail smoke, or stinks of raw fuel?
  6. lets now say all above passes, so why does it want to stall.?
  7. easy, IAC stuck closed, ! #1 cures that temporary.
  8. EGR if you have one, stuck open ,many dont these years.
  9. it stalls for lack of air, IAC or is flooding, what I do if i can make it stall on demand is let it and read the plug tips. oh my #6 is soaked, and #6 injector leaks. (evidence)
  10. Say its too random and hard to trace. easy. sure.
  11. what are all cause, easy, there is a list.
see the 6 ways here (it's really 5)
and the 18 line item failures. (lacking the symptoms alluded to above)
http://www.fixkick.com/dies.html


cheers !

Dec 28, 2014 | 1996 Jeep Grand Cherokee

1 Answer

Why does 1992 isuzu trooper runs for a few seconds then stalls and won't keep running? I've replaced the fuel pump,fuel pressure regulator,and fuel filter. Spark plugs and wires have been changed also


hot or cold engine or both?





which engine, to work on one, you need to know what it is

and what EFI system it uses. or its all just a crap shoot.

no new distributor cap and rotor why skip the full tune up,. why?



first questions.

1: can you save the stall with a a fast right foot.

2: why change out pump etc, if fuel pressure is at spec, a $20 tool would have saved you 5 hours hard labor and bath in fuel? why?





Stalls 101.:



the engine can stall for over 50 reasons are you going to do all 50?

surely not. why not consider diagnosis.. as a path.

1: car stalls, right foot saves it. and can drive fast if i keep foot busy.

a: ISC stuck closed.

b: EGR valve stuck open (depends on which engine options)

c: low compression on one or more cylinders.

2: can\'t save it from stalling (right foot)

a: fuel pressure is low. (wires bad.)

b: lost spark, for any reasons.

c: lost 12vdc to the EFI system( killing spark and fueling)



stalls.

hot or cold or both

stalls, can save it or not, hot and cold

hot restarts are easy and it runs good hot,yes./no.



there is lots more to it, then just stalls. lots more.

Aug 28, 2014 | 1992 Isuzu Trooper

1 Answer

Grand cherokee will not stay running


cheak the crankshaft position sensor, if that is faulty the car will stall and after a while possibly wont start back up till it cools a bit.I know i just delt with my wifes car would stall at first at a red light or on exit ramp. then it would just stsall driving on the highway.changed the cps and now now problem with that i got another problem now.hope this helps.

Feb 21, 2013 | Jeep Grand Cherokee Cars & Trucks

1 Answer

I am looking for a step by step How - to for removing my water pump and replacing it with a new one



How to Replace the Water Pump in a Pontiac Grand Am The water pump is the heart of the Pontiac grand am's cooling system, circulating the coolant. A faulty water pump can cause some serious damage to the engine of your Pontiac Grand Am. To prolong the life of your vehicle's engine, make sure to change out a bad water pump.
2.2L Grand Am Engine Disconnect the negative battery cables before you begin.Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.Elevate the vehicle and remove the right front wheel, the splash shield, the water pump sprocket access plate and remove the exhaust manifold if your vehicle has an n automatic trans-axle.Use the water pump sprocket holding tool (Tool Part Number J 43651) and attach it to the sprocket with access plate bolts, securing the tool to the front cover of the engine.Remove the following bolts to remove the water pump: the three bolts attaching the pump to the engine block, the bolt to the engine front cover, the bolts to the sprocket and the bolt attaching the thermostat housing to the pump.Remove the old pump and install the new one, aligning the water pump sprocket to the hub with a threaded stud.Reinsert the engine cover bolt to the block to the pump, tightening the bolt to 15 foot pounds (20 Nm). Tighten two of the water pump sprocket bolts to the water pump by hand.Take out the threaded stud that was used to align the water pump sprocket to the hub and attach the last bolt to the sprocket to the pump, tightening all three to 89 foot pounds (10 Nm).Remove the water pump sprocket holding tool and attach the timing cover to the water pump sprocket access plate, tightening the bolts to 89 foot pounds (10 Nm).Reattach the splash shield, the right front wheel and the exhaust manifold if applicable.Refill the engine's cooling system with coolant and reconnect the negative battery cable. Start the car and check for leaks when the engine reaches normal operating temperature.
2.4L Grand Am Engine Disconnect the negative battery cable and drain out the coolant from the cooling system when the engine is cool.Disconnect the electrical connector to the oxygen sensor and remove the exhaust manifold heat shield.Remove the following bolts and studs: the coolant inlet housing bolt connecting the exhaust manifold, the bolt to the exhaust manifold to the brace, the studs to the manifold to exhaust pipe and the bolt to the coolant inlet housing to water pump.Disconnect the following parts from each other: the exhaust manifold from the exhaust pipe by pulling the pipe downward, the oil pan from the coolant inlet pipe, the camshaft housing from the brake vacuum pipe, the cylinder head from the exhaust manifold, the heater outlet pipe from the heater hose and the timing chain cover from the tensioner.Loosen and remove the water pump bolts to the engine and the bolts from the pump to the timing chain. Remove the water pump with the cover assembly and remove the cover from the pump.Install the new pump with new gaskets. Replace the cover and tighten the bolts by hand. Attach the pump to the engine and tighten these bolts by hand.Attach the pump to the timing chain housing nuts and the coolant inlet pipe to the cover. Also tighten these by hand.Torque all bolts to the following specifications after all bolts have been inserted and hand tightened: the chain housing nuts to the pump assembly to 19 foot pounds (26 Nm), the water pump assembly to the cover to 124 foot pounds (14 Nm), and the water pump cover to the coolant inlet pipe assembly to 124 foot pounds (14 Nm).Reattach the cylinder head and the exhaust manifold, tightening the nuts to 11 foot pounds (15 Nm), the coolant inlet pipe to the oil pan, tightening the nuts to 19 foot pounds (25 Nm), and reattach the timing chain tensioner, tightening the bolts to 89 foot pounds (10 Nm).Reconnect the camshaft housing and the brake vacuum pipe and reattach the front cover, tightening the bolts to 106 foot pounds (12 Nm).Reattach the exhaust pipe and the manifold, tightening the bolts to 26 foot pounds (35 Nm), the exhaust manifold to the brace, tightening the bolts to 41 foot pounds (56 Nm) and the nuts to 19 foot pounds (26 Nm), the manifold to the exhaust pipe, tightening the nuts to 26 foot pounds (35 Nm), the heater pipe to the heater hose and reattach the exhaust manifold heat shield, tightening the bolts to 124 inch pounds (14 Nm).Reconnect the electrical connector to the oxygen sensor and the negative battery cable. Refill the engine's cooling system with coolant and start the car. Check for leaks when the engine reaches normal operating temperature. 3.1L and 3.4L Grand Am Engines Disconnect the negative battery cable and drain out the coolant from the cooling system when the engine is cool.Remove the accessory drive belt and the water pump pulley.Loosen and remove the water pump bolts and remove the pump from the engine.Install the new water pump, tightening the bolts to 89 inch pounds (10 Nm).Reattach the water pump pulley, tightening the bolts to 18 foot pounds (25 Nm).Reinstall the accessory drive belt and reconnect the negative battery cableRefill the engine's cooling system with coolant. Start the car and check for leaks when the engine reaches normal operating temperature.

Mar 15, 2010 | Pontiac Grand Am Cars & Trucks

1 Answer

Fuel problem ??


did you check the fuel relay?

Apr 25, 2009 | 1995 Honda Civic

1 Answer

The van starts but will not stay started


try changing the fuel filter first, that is usually the simplest fix and the most overlooked filter on a vehicle...

Mar 18, 2009 | 1999 Plymouth Voyager

1 Answer

Xb stalling


It turned out that my wife drove through some standing water. I suspect some water got into our open air intake and was causing the stall. With enough revs, we blew it out.

Aug 20, 2008 | 2006 Scion xB

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