Question about Mercury Cougar

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2000 mercury cougar engine speed stays up when gas pedal is release, increase when pedal is release and shifting gears, takes 3 seconds or more to come down to idle when gas pedal is release, will hold at 2000 +- 250 repm when driving and releasing gas pedal and just letting it go, and sometimes, but will drop in rpm if brake is used and gas pedal is release to slow down, and sometimes at a stop light will almost stall dropping to 250 rpm then recovering to a good idle speed of 750 rpm.

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  • 124 Answers

You have a mechanical bind. Disconnect the main linkage and work it all by hand. Everything should be free and slopy. Aerosol carb cleaner will help, but only when the engine is not running.

Posted on May 30, 2017

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6ya6ya
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Posted on Jan 02, 2017

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cbaroni78
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SOURCE: high idle 1997 Madza 626 4 cylinder auto transamission

The PCM controls idle speed to ensure good driveability. The PCM will only attempt to maintain the desired idle speed when it “knows” the throttle is closed. A throttle switch or the TPS input is used to determine when the throttle is in the idle position. Motors and solenoids are used by most PCM’s to control idle speed. Many PCM’s are programmed to attempt to control the idle speed by adjusting spark timing and then by controlling the idle speed actuator. Some computers of the early 80's did not control idle speed.

Posted on Oct 19, 2008

  • 32 Answers

SOURCE: 1997 Jeep Grand Cherokee Stalls when put in gear V8

Replace the throttle postioning sensor, and mass air flow sensor

Posted on Mar 09, 2009

  • 9 Answers

SOURCE: My 1989 Daihatsu Charade CLS (3 Cylinder) has a low idle

The E-brake light is on because the brake is slightly on, or the fluid is low, or the brakes are failing It sounds like the fluid is getting low from normal brake wear and not a problem. Just get the front brakes cheched and replaced. Don't put any fluid in because the new brake pads which are thicker will take up the space the fluid has dropped and push the fluid back to the correct level

Your engine is shutting down at idle because of a a bad seal on the engine induction system. It is the big duct that connects to the engine air intake. Leave the car running at idle, E-Brake on, and squeeze the big black duct going from the air filter to the engine, Does the car shut off? Next check small little hoses that attache to this big air duct. Try moving them a little to see if the engine runs different.

If these are good then I would shut off engine and remove this duct. A hose clamp holds one end. A slotted srewdriver will work to remove this clamp. The other end, at the Air Filter simply unclamps by hand.

The Throttle Valve is the first thing you see in the engine, it is inside the intake just after the duct you removed between the Air Filter and Intake. Have some one open the Throttle by stepping on the gas pedal and see if it is clean around the edges. If not, use some cleanning alcohol from your medicne cabinet to clean this area. A toothbrush will get into the tight spaces. Wipe clean with paper towel. Autozones sells a special cleaner called Throttle Valve cleaner spray. Use this not Carburator Cleaner.

If it still runs bad a idle the idle valve could be dirty and now you need more tools to remove it and clean too.

Posted on May 27, 2009

toneman2121
  • 775 Answers

SOURCE: RPM run high and slow to drop down

a vacuum leak will cause a high idle due to he fact more air is entering the engine which the computer will compensate by adding more fuel. also, a faulty fuel pressure regulator will increase fuel pressure delivering more fuel than required.

look for broken or detatched vacuum hoses. check fuel pressure; 30-50psi

Posted on Apr 09, 2010

  • 2 Answers

SOURCE: Involved vehicle: 1999 Saturn SL - 4 cyl, 5 speed

try to reset the computer if that doesnt work reset the idle speed it may have picked up bad codes

Posted on Jul 06, 2010

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1 Answer

2002 Mercury Cougar very hard to shift.


This could be a synchronization problem with the brake switch and the trans linkage. The second half of your problem is different.

The release for the shifter to come out of Park is dependent on a switch on the brake pedal lever. This brake pedal switch is suppose to make a release work to allow the shift selector to drop out of Park. It sounds like something is binding and a part is not moving far enough to allow for easy shifting.

For the drive problem, more details would be needed; perhaps a second separate problem solution request. You might want to fix the above conditions and see if it works its' way through the system.

Feb 20, 2014 | 2002 Mercury Cougar

1 Answer

Electronic pressure control solenoid circuit p1745. Check engine light on 2000 ford escort, 4cl, automatic. Advance auto told me it was a dealer part but I can't find it on any of the ford websites?...


Here is what the service manual says about the EPC solenoid, the processor looks at allot of different inputs to command the solenoids, such as Throttle Position Sensor, Vehicle Speed Sensors, Transmission Range Sensor and RPM signal, The PCM controls the shift patterns for the transmission. Electronic Pressure Control (EPC) Solenoid
The electronic pressure control (EPC) solenoid is located on the main control valve body and is controlled by the PCM. The EPC controls line pressure used to apply and release clutches and bands in the transmission.
The 2-3 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 2-3 shift solenoid activates the 2-3 shift valve which controls the automatic shifting between second and third gear. Second gear is established when the 2-3 shift solenoid is switched on. The 2-3 shift solenoid is switched off when vehicle speed increases and requires a second to third gear upshift.
The 3-4 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 3-4 shift solenoid activates the 3-4 shift valve which controls the automatic shifting between third and fourth gear. Third gear is established when the 3-4 solenoid is switched off. The 3-4 shift solenoid is switched on when vehicle speed increases and requires a third to fourth gear upshift.

Mar 23, 2013 | Cars & Trucks

1 Answer

2002 merc cougar 5 speed, slow to increase speed after it gets up to 20 for me to shift into 2nd gear, as the same jarring motion as when you to good at shifting a standard, the jerking motion. still acts...


sounds to me that your clutch needs to be replaced. There is no adjustment on the clutch pedal. It sounds like the fly wheel will need to be surfaced also.

Apr 08, 2011 | 2002 Mercury Cougar

1 Answer

Mercury cougar 1999 engine 2.5 having trouble...when driving it drives jerking back & forth & was given a code P0708


YOUR RANGE SENSOR IS BAD! IT WILL BE A BLACK BOX LOCATED ON TOP OF THE TRANSMISSION! THERE WILL BE A NUT ON TOP OF IT, AND A PLUG GOING INTO THE SIDE OF IT! IT TELLS THE COMPUTER WHAT GEAR YOUR IN, SO THE COMPUTER CAN COMPENSATE FOR THE SPEED AND TELL THE TRANSMISSION TO SHIFT!

Mar 01, 2011 | 2000 Mercury Cougar

1 Answer

I installed new intake monifold gaskets because the bottom one was sucking air in and my 1996 dodge intrepid 3.5 liter engine would run at 2300 RPM'S. After changing the gaskets the car is hard to start...


Take it to bits again and check the gasket you put on and all the other gaskets as it still sounds like you have air sucking and a blockage somewhere else so check out all parts you done and the parts you dident

Oct 08, 2009 | Dodge Intrepid Cars & Trucks

3 Answers

2000 mercury cougar hesitating/jerking


I had the same kind of problem and I ended up solving it by actually checking for recalls for the 2000 Cougar and when you do, you'll see that there is a fuel pump recall. I dont' know if you've already done this but I figured i'd post this and try and help out!

Much luck

Aug 10, 2009 | 2000 Mercury Cougar

1 Answer

Mercury xr7 starts then starts coughing and chocking like not


My cougar does the same, it starts and then about 1 minute later (or so) the check engine light comes on and the car idles really high, with black smoke out the exhaust. It stays in second gear i think and it will not shift out of it. Max speed is 40 mph with the rpms screaming, it will go off after a long time but this is agrivating. I have a 94 mercury cougar xr7 3.8 ltr Any help please?

Jun 22, 2009 | 1994 Mercury Cougar

1 Answer

Why are my reverse lights staying on in all gears - 00 cougar


usually located at shift linkage on transmission

Feb 22, 2009 | 2000 Mercury Cougar

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