Question about 2002 Mercury Sable

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P1000 When engine is cold it will start and run with no problems. When engine is at desired run tempature it will start and run no problems. When engine is at mid tempature engine will misfire and run rough at idle when trying to start.If you don't rev up too 2000rpm's for a 1 or 2 minutes it will stall and then is very difficult to get started again. Ran diagnostics on it and it's showing code P1000 / "On Board Diagnostics"

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  • Mercury Master
  • 21,873 Answers

P1000 is not exactly a trouble code, but rather a fact code that means the system has not been run long enough to get into a full test mode.
There could be a problem with the computer, or something that is keeping the system from going into closed loop where the computer uses all data from the sensors to control the engine.
For example, if the thermostat does not let the engine reach normal operating temp, or the car is driven on short trips, the system may not go into closed loop.

Posted on Apr 20, 2013

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Posted on Jan 02, 2017

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emissionwiz
  • 76848 Answers

SOURCE: rough idle

Have you had the throttle valve cleaned?

Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Nov 12, 2008

fischmilch
  • 96 Answers

SOURCE: numver 3 cylinder misfire 2001 sable

Yep, bad plug or wire.

Posted on Nov 28, 2008

  • 2 Answers

SOURCE: engine stalls after cold start-up & release from high speed idle

I had a similar problem.  I found the filter cartridge below the pcv valve had carboned up, and after the crank case pressurized, oil was forced out the pcv supply line to the throttle body.  The idle air control valve solenoid got oil in it and caused my problem, but only when it was cold.  The pcv cartridge is accessed by removing the pcv valve and the rubber fitting that the pcv valve mounts in.  It can then be fished out with a pick set, and it is a pain because you can't see it, but you can get you hand back there.  I hope this helps you.

Posted on Feb 28, 2009

warlock61
  • 659 Answers

SOURCE: Car not idling adn stalling when it is cold

sounds like the idle control vale is sticking when it is cold. It is located on the throttlebody right at the air inlet

Posted on Mar 01, 2009

motor1258
  • 6674 Answers

SOURCE: Running Rough: P1131 & P0171 DTCs

They both refer to oxygen sensors, but a lot of times a dirty mass airflow sensor is the cause. Get a can of Tuner cleaner spray from electronics store, or radio shack & remove battery cable (Neg - ), then remove MAF sensor and clean it well with the spray & let it sit & dry out for 1/2hr or so, then re-install & try it. Careful with the wires, they break easy. I don't recommend carb or brake cleaner be used, because they leave residue, which kinds of defeats the purpose of cleaning it.

Posted on May 31, 2009

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2 Answers

My car won't start and is showing a p1000 code . What does this mean?


P1000 is a manufacturer specific fault code:

Ford P1000: OBDII Monitor Testing Not Complete.
Jaguar P1000: Engine control module (ECM) - internal error.
Kia P1000: System diagnosis incomplete.
Land Rover P1000: Engine control module (ECM) memory erased - no codes stored.
Mazda P1000: OBDII Drive Cycle Malfunction.

So depending on the manufacturer of your car would depend on the meaning of a P1000 code!

Jan 21, 2015 | Cars & Trucks

1 Answer

My check engin light came on the codes came up as po133, p1000 what do i do to fix my car is a 1998 ford windstar?


A code P0133 may mean that one or more of the following has happened:
  • The oxygen sensor is faulty
  • The wiring to the sensor is broken / frayed
  • There is an exhaust leak
the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:
  • Check and fix any exhaust leaks
  • Check for wiring problems (shorted, frayed wires)
  • Check the frequency and amplitude of the oxygen sensor (advanced)
  • Check for a deteriorating / contaminated oxygen sensor, replace if necessary
  • Check for inlet air leaks
  • Check the MAF sensor for proper operation
  • code p1000 refers to emission monitors not fully run and requires a couple of drive cycles from cold start to fully warmed drive cycle at different speeds.

Oct 10, 2014 | 1998 Ford Windstar

1 Answer

Flashing glow plug will not rev code p1000 wen cold will drive for haft a mile then just tic over.seems to have old type vac actator.


Ignore the P1000. this code sets after every engine start and flight recorder looks for data.
Probale stuck egr valve

Apr 09, 2014 | Jaguar X-Type Cars & Trucks

1 Answer

2008 V6 3.9 pontiac montana still over heating


Hi, Yes you have an air lock in your system, you may get this sorted by 1/. Removing one of the cooling hoses & try to blow with air.
2/. Drain all the system then put your heater on inside the vehicle & have the engine running & refill the system Start to do this from a cold engine. Please leave me feed back: Malcolm Campbell, Thanks.

Oct 27, 2017 | Pontiac Montana Cars & Trucks

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97 mercury grand marquis wont start after warming up


You need to determine if it is fuel related or spark related. I have seen everything from a pick up screen in the tank to a crankshaft position sensor. Check the fuel pressure when the no start condition occurs, check for spark at the coils. Does all your electrical equipment in the car loose memory?

Mar 25, 2013 | Mercury Grand Marquis Cars & Trucks

3 Answers

I have a '98 Astro van that starts fine when cold but is hard to start win hot. It idle and runs fine. After it cools down completely, it will start OK. I was told it could be a fuel pressure problem and...


I agree, replace the Coolant temp sensor, it will have 2 wires going to it, Not 1. Usually located just behind the breather near the thermostat outlet.

This sensor controlles your timing and fuel to air ratio.

May 28, 2010 | 1998 Chevrolet Astro

1 Answer

With all controls off it blows hot air even on the coldest setting


try this relearn procedure.

turn key on engine not running
set controlls to: vent, tempature cold, fan on low
turn key off
disconnect battery
wait 30 seconds
reconnect battery
turn key on do not start engine
wait 90 seconds while system recalibrates
turn key off
now start the engine and recheck for a/c operation

if this dosent fix the tempature controll than you will need to replace the blend door motor
and it is behind the glove box, it is black and has one plug on it. if you have to replace it make sure
you go through the relearn procedure afterwards.

wesleyschacht@hotmail.com

Jun 14, 2009 | 1998 GMC Jimmy

1 Answer

Continental 99, Electric fans run all the time.


generally the fans will run at start up to run through it's initialization however they should shut off after v30 seconds until the engine reaches operating tempature. now the sensor could be the problem, but first check the fans relay it could be the fault that circuit should not close until the temp reaches 180 degrees so if the relay is shorted closed instead open the fans will always run

Apr 25, 2009 | 1999 Lincoln Continental

1 Answer

Car runs rough when hot


mixture control black smoke is rich mixture ,but sorry not sure what or where the control is weither its a sensor or a ECU fault. most likely cause is the autochoke staying can only sugest the main agent or a decent garage who have some test equipment .if you see any sensors in or around the top of the engine try disconnecting them one at a time and see what happens if it stops,and engine will not start when its cold then you have found the problem .

Nov 11, 2008 | BMW 525 Cars & Trucks

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