Question about 2004 Ford Thunderbird

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Engine speeds up while brake is applied

While stopping car, the engine/transmission sped up. It actually moved my car thru a red light while applying the brakes

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  • 645 Answers

If you must leave your car idling for several seconds or more, you can put your car in neutral and turn off the engine.
if you need a diagnostic tool you can click here: diagnostic tools

Posted on Nov 08, 2012

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Posted on Jan 02, 2017

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SOURCE: ford ka stalling

Sounds like a vacuum line.

Posted on Apr 24, 2009

keeperoffire
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SOURCE: 1997 ford f150 lariat - won't shift out of park

It sounds like the shifter lock out solenoid has gone bad.It is a solenoid that releases the shifter when you push the brake pedal.

Posted on Mar 06, 2009

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SOURCE: Ford F-250 1999 Diesel Crew Cab Brake failure w/ABS light on

go to ford dealership and have them scan your truck with a scan tool

Posted on Jun 18, 2008

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SOURCE: engine revs remain high or increase when braking

Have you tried checking your throttle positioning sensor. Possible vacuum leak or check for carbon build up in the throttle body not letting the throttle valve shut all the way.

Posted on Jul 24, 2009

  • 196 Answers

SOURCE: Drum brakes causing intermittent grinding noise

Sounds like one of the springs that hold the rear brakes in place broke. Jack her up, pop off the tire, remove the drum and take a look. If you need to see what a good one looks like, look on the other side.

This is not a very common problem, but I saw it last year on a 69 chevelle.

Good Luck and thanks for using FixYa!!

Posted on Mar 26, 2010

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2010 subaru forester engine cuts out


consider this
when at the stop lights , you will have your foot on the brake as it will still be in drive or in gear and you don't want the car to move
a simple test is to apply the hand brake to stop the car and don't touch the foot brake
if it idles ok but cuts out when you apply the foot brake , replace the brake booster as it has a vacuum leak that is causing the problem
you can do this test in the garage by starting in neutral and allowing the engine to idle , then apply the foot brake
iof it dies it is the booster

Oct 01, 2016 | 2010 Subaru Forester

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Ford Galaxy 2011 gear stick stuck in park won't move


Lots of modern vehicles fitted with auto transmission have a safety lock preventing the gear lever being moved unless the ignition is on and the brake pedal applied.

This probably applies to your car and if the system is faulty it will leave the gear lever stuck. Usually it is possible to hear the lock release.

If the transmission end selector lever is accessible, disconnecting the cable or rod from the lever and moving it by hand will provide a clue whether the problem is inside the box or the cable or gear lever.

Jul 02, 2016 | 2011 Ford Galaxy 2.0

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My car run good but idle problems n stop running on because rpm go to low when engage ,on stop or red light but reward wright away what should I check? Thx


test the brake booster by idling the engine with out the foot brake applied then apply the brake
if the fault appears with the brake applied ,replace the brake booster.

Aug 30, 2015 | Jaguar XJ6 Cars & Trucks

1 Answer

Stalls at stop light and rush hour traffic


disconnect the vacuum line to the brake booster and plug off to the engine. run the engine and apply the brakes and see if it still cuts out. If not the reattach the vacuum hose and re apply the brakes . If there is a stall then replace the brake booster as there is a fault in it that is allowing air into the manifold on brake application. This problem is not connected to the CPU by sensor so no faults would be recorded.

Dec 22, 2013 | 2008 Chevrolet Impala

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The engine shuts off at really low speeds after applying the brake on speed bumps, red lights or parking. We discovered that changing it to neutral will avoid the problem but not all the time. the electric...


Check to see are the brake lights going off. If not, it's still in overdrive and killing the engine by dragging it down too low at stops. The explosions are caused by the fuel mixture being set too lean.

Sep 03, 2017 | 1996 Isuzu Rodeo

2 Answers

Astrostart won't start the car


You may need to reset the system.

SEQUENCE ACTIVATED BY THE PARKING BRAKE .
1. While engine is running (key in ignition switch), apply the brakes and hold the pedal down.
2. Move gearshift lever to neutral.
3. Apply the parking brake Once Twice
Note: The system can be set - at time of installation - to require that the parking brake be applied once or twice.
If set for two actuations, pause one second between the two.
4. Remove key from ignition (the system keeps the engine running).
5. Exit the vehicle.
6. Within 60 seconds, close all doors.
7. The system will stop the engine and blink the parking brakes once to confirm the sequence is valid (vehicle is
ready for a remote start command).
SEQUENCE ACTIVATED BY THE REMOTE CONTROL
1. While engine is running (key in ignition switch), apply the brakes and hold the pedal down.
2. Move gearshift lever to neutral.
3. Apply parking brake.
4. Send the start command (Model 801 & 2101 - Model 903 ).
5. Remove key from ignition (the system keeps the engine running).
6. Exit the vehicle.
7. Using the remote, send the STOP command. The system will stop the engine and parking lights will blink once
to confirm that the sequence is valid (vehicle is ready for a remote start command).
http://www.astrostart.com/Support/Guides.aspx

Nov 27, 2012 | Cars & Trucks

1 Answer

I have 1995 jeep cherokee my aftermarket cruise control quit working i am getting power to the switch were you press the button or resume it the cable looks alright the brake switch looks alright this is...


I am not sure what you are asking, but it sounds like you need a hot wire for the cruise system. I suggest find something in the fuse box that you can tap into. The brake switch can supply hot, but it is on ALL THE TIME on many vehicles. So you would have a constant drain.
You need a switched, always hot signal, typically. (Nutcases, like me may also wire direct, for the purpose of achieving the precise last sped set, after a restroom and soda break, on a trip for example. still you typically want everything OFF during vehicle shutdown.)
Then your speed control may need to connect to the brake light (switched terminal, hot only when brakes applied). Other connections may include an engine speed sensor, often a clamp goes around a plug wire...
REMEMBER! completely seal any holes that you open up in the firewall. Silicone will not do, get something from the parts store, even a pin hole actually introduces a large amount of noise, as well as engine smells.

Jul 08, 2011 | 1995 Jeep Cherokee

1 Answer

When i hit the gas it revs the engine before it actually starts going and when i hit the brake hard it stutters like its gonna shut off


Sounds like you may have a transmission problem. When was the last time you changed the tranny fluid? If your fluid is fresh and topped off properly then your transmission definately has a problem!

Checking tranny: with engine running place tranny thru all gears (brake applied) put back in park, keep engine on, pull tranny dipstick and check level.

If you do these things and you still have a problem you may need to take to a transmission shop.

May 07, 2010 | 2001 Chevrolet Cavalier

1 Answer

1994 mazda cronos 2.00 v6 auto car idles ok drives ok but when i come to a stop it stalls in gear been atuo


This sounds like a problem with the torque converter lockup system. Usually the torque converter lockup solenoid is at fault in your condition. This solenoid usually locks up the torque convertor (which acts like a clutch in an automatic transmission) when you are driving at a certain speed, and unlocks it when you press the brake, and/or come to a stop. When a torque converter stays locked up, and you stop the vehicle, it acts like a vehicle with a manual transmission, if you bring the vehicle to a complete stop without applying the clutch pedal, the brakes stall the engine. Basically, if the torque converter can't unlock, even when you come to a stop, the engine is still locked to the transmission, and even when you apply the brakes, the torque converter doesn't slip and freewheel like it should, but instead stalls the engine.

May 07, 2009 | 1994 Mazda 626

1 Answer

87 honda accord


Probably a bad torque converter lock up solenoid...

Try starting it in neutral, and putting it in drive without your foot on the brake (I know the car will take off in quite a hurry if it doesn't stall but it's an easy way to check for this)

If it doesn't stall, apply the brakes, and if it stalls then, it definitely is a bad lockup.

I don't know if you're familiar with the torque converter function/operation, but where it is a fluid (liquid) and not solid coupling with the engine, lockup is used at certain road speeds/engine RPMs to get rid of the power loss that always occurs between the pump and the turbine of the torque converter. It mechanically (through transmission oil pressure) locks both parts of the converter together so it then acts like the engine crankshaft is bolted right to the input shaft of the automatic transmission.

But, as you might imagine, this system has to unlock the converter when you apply the brakes for the same reason applying brakes without the clutch on a manual transmission stalls the engine.

Bad lockup solenoid will cause this to happen... The converter stays in lockup and as soon as you try to stop the vehicle, you also stop (stall) the engine.

It also might be something else but I'd say I'm about 90% sure on this one.

Aug 20, 2008 | 1987 Honda Accord

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