Question about 2002 Chrysler Concorde

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Car loose s power upon take off. It never dies, just takes a several seconds to get moving.

When I press the gas pedal at a stop,the car has a hesitation before it goes. I've replaced the map sensor,and two oxygen sensors. could it be my mass air flow gone bad ?

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  • Chrysler Master
  • 75,005 Answers

The following are the general instructions on the start of diagnosing any electronically controlled engine or transmission problem.

The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exception to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

chryslertech
  • 115 Answers

SOURCE: Hard start when cold, running rich, poor fuel economy

Chrysler has a bulletin out for a simular condititon that involves replacing the pcm. Heres the bulletin number 18-005-04. This is only 1 possible cause , Fuel pressure, coolant temp sensor, thottle position sensor all can cause like problems. Seeing sensor values and fuel adaptives with a scan tool helps pin point problems.

Posted on Mar 08, 2009

  • 1114 Answers

SOURCE: 2001 chrysler pt cruiser map sensor

why would you worry! this is standard procedure! after hooking at back up turn key on then off and on you hear the fuel pump grunt grrr away you go! startr it up enjoy yesterday you confirmed all ways well and thanked me and another person has your situation changed??John

Posted on Jan 04, 2009

deanam
  • 15 Answers

SOURCE: 2003 Chrysler 300m check engine light staying on

The only way, for shure is to go to computer diagnostics. 99% sure that this is some engine sensor, buy only diagnostics will tell who. (130,000 miles, hm lamda. it have only 150,000km live)

Posted on Apr 28, 2009

  • 4088 Answers

SOURCE: My 2004 chrysler sebring electical is not working.

Check around the MAP sensor area for any connections that may have been disturbed while you were replacing the sensor. Most or all of those functions are controlled by the body control module. I would think that a fault like that would show on the scanner readouts.

Posted on Aug 23, 2009

ftw1952
  • 10319 Answers

SOURCE: I have a 2005 pt

Thisa sounds like a worn TPS on the throttle body. Although there are literally dozens of sensors that provide critical data to the engine management computer of a modern, fuel-injected engine, few are actually adjustable, or can be affected by adjustments of related components. The throttle position sensor, often referred to as the TP sensor or TPS, is one of these rare devices.


It is important to get to know the function and servicing of this sensor for a couple of reasons. As with any electro-mechanical moving part, they have been known to malfunction or ultimately just plain wear out. Besides that, they are often victims of improper service procedures. These procedures will either result in damage to the sensor, or impair its range of operation. In any event, a malfunctioning, damaged, or misadjusted TPS will cause a variety of driveablility symptoms, often accompanied by a check engine MIL (malfunction indicator light) displayed on the instrument panel.

You can follow this vidio and see how to check the TPS if it needs replacing and how to set the new one up to operate correctly. Just click onto the provide link below & good luck!

http://www.youtube.com/watch?v=A_4Us8z9Q3g

Posted on Dec 28, 2010

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