Question about 1997 Jeep Grand Cherokee

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Jeep starts and stutters when cold but when it warms up it runs fine

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1997? Do you happen to have a carburator? If so, I'd say you have a problem with the carb's choke. Either it needs adjusting or it's not working.

Posted on Nov 13, 2014

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Posted on Jan 02, 2017

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SOURCE: 1999 jeep cherokee starts hard

have fuel pressure checked ...fuel pump maybe losing prime

Posted on Sep 28, 2008

Mikey108
  • 475 Answers

SOURCE: Cold starting

I had bad oxygen sensors do this.
Check it out with a scanner before replacing it.

Posted on Oct 22, 2008

  • 6 Answers

SOURCE: fuel pump not running only in cold weather

how cold is it? below 32 degrees any water in your fuel will turn to ice the particles could clog your filter or freeze in the line try adding adding liquid heet its isoppropyl alcohol it will help

Posted on Jan 14, 2009

bunnydawg
  • 5158 Answers

SOURCE: 95 jeep grand cherokee, hard starting, backfires, when cold

get a couple bottles of gas line antifreeze .. if you don't already use it and add it to the gas.

Robert

P.S. in minus 40 i don't even get out of bed... minus 23 here last nite... isn't winter grand

Posted on Jan 21, 2009

  • 6982 Answers

SOURCE: jeep starts rough when cold there a missing vacumm

If you are looking at a vacuum line fitting that has no line on it, generally the hose (line) that goes on it should be nearby...they generally don't travel to a far distant location. While looking for the disconnected line, put a short piece of hose with a screw or something in the end to block it off on the open fitting. Usually if a line is open, you will also have some vacuum operated item that will not be working...that may give you a clue which line has fallen off.

Posted on Oct 20, 2009

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99 ranger 3.0 when cold starts and stutters then smooths out starts fine when warm fuel pressure 55psi when running and bleeds down to zero overnight brand new fuel filter fpr looks new


have the OBD codes read as should point to the switch/sensor etc at fault , it may be the vacuum vessel is not holding a vacuum that could explain these symptoms but the OBD will tell

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My 1999 Jeep Sahara will start just fine, but will sometimes surge during warmup. Then after it warms up, runs fine. However, sometimes, if I turn it off, then restart alittle later, it does not want to...


Due to the age of your jeep, You need to replace the fuel pump and filter along with replacing the water pump and thermostat as well as coolant temp sensor. Fuel supply and coolant flow and temp sensing is critical to Cold start (open loop) and warm up (closed loop) Idle function and fuel mapping. Change the air filter too.

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1998 Jeep wrangler 4.0 sputters after it warms up. Runs good when cold. Changed plugs,wires,cap,rotor,air filter,checked vaccum lines. There are many sensors, what do I do next?


Try disconnecting the upstream O2 sensor(s). If the sputtering stops replace the O2 sensor(s). Mine was faulty and stuttering too and no check engine light or code was thrown. After unplugging the O2 sensor and monitoring for a week with no issue I had it replaced for $100 - $150 at a local shop.

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First starting in the morning the 1996 jeep cherokee classic fires right up, backs out of the driveway, is able to go into forward and go down the block, at the stop sign there, it dies, and, until it...


Check out your cold start choke. It is designed to cause your fuel mixture to run "rich" until it warms up. It is basically a heat sensitive coil that reacts to heat from the exhaust manifold.

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Jeep liberty 2002 3.7when starting cold starts-stalls unitl hot


Check the temperature sensor feeding the ECU and O2 sensor.

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Jeep grand cherokee stalls after warming up


You need to check components again when the engine is hot and in no-start condition, otherwise, you will get bad info...obviously whichever part is doing this works fine cold. ones that react most to heat are crank pickup, ignition coil and the fuel pump.(bad ones get hot and bind up)

Jun 07, 2009 | 1993 Jeep Grand Cherokee

1 Answer

95 jeep grand cherokee, hard starting, backfires, when cold


get a couple bottles of gas line antifreeze .. if you don't already use it and add it to the gas.

Robert

P.S. in minus 40 i don't even get out of bed... minus 23 here last nite... isn't winter grand

Jan 21, 2009 | 1995 Jeep Grand Cherokee

1 Answer

1999 jeep cherokee starts hard


have fuel pressure checked ...fuel pump maybe losing prime

Sep 13, 2008 | 1999 Jeep Cherokee

1 Answer

Stalls when engne warms up


Your ECT (Engine Coolant Temp) sensor is bad. What's happening is at cold start it richens up the fuel mixture and as it warms up the ECM thinks it's still cold and essentially the "choke" is still on. Also check your coolant level. If you don't have enough coolant in you engine/radiator, the ECT doesn't know what to do so it thinks it's cold.

Jul 13, 2008 | 1990 Jeep Cherokee Limited

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