Question about Mazda Millenia

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Neutral safety switch

My 1999 millennia s wont engage reverse there's a clunk and if u step on the gas it will slightly move forward I can shift into forward and park without the brake applied

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  • 5 Answers

Maybe the Shift interlock cable is your problem from shifting from drive to park but not sure about the reverse.

Posted on Mar 20, 2014

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Posted on Jan 02, 2017

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SOURCE: 97 FORD E250 VAN SHIFT LOCKED IN PARK

check the brake lights to see if they work ithey do then the problem is in the locking mechanism, however if the brake lights sont work then first check the fuse, check the wires and the connector that hooks up to the brake switch under the pedal and if it is dammaged repair as needed and if yo get the lights working yo have made the lock to work also!!

Posted on Nov 14, 2008

  • 4369 Answers

SOURCE: E4OD Trans stays in OD no matter where the shifter position is.

Transmission Description The E4OD transmission is a fully automatic, electronically controlled, four-speed unit with a torque converter clutch. The main operating components of the E4OD transmission include a torque converter clutch, six multiple-disc friction clutches, one band, one sprag one-way clutch and two roller one-way clutches that provide for the desired function of three planetary gear sets. Transmission gear selection in the (D) range and converter clutch operation is controlled by the powertrain control module (PCM) (12A650). Operating conditions are relayed to powertrain control module by various sensors throughout the vehicle. The powertrain control module compares these conditions with electronically stored parameters and logically determines how the transmission should operate. A torque converter (7902) couples the engine to the transmission gearset via the input shaft (7017) and the torque converter impeller hub. The impeller hub provides engine rpm to the positive displacement pump. The flow from the pump is proportional to engine rpm, and excess pump capacity is exhausted back to the pump inlet. The input shaft transfers power into the transmission gearset. The power input is controlled by the application of the torque converter clutch, which is scheduled through the powertrain control module. The application of the piston plate effectively replaces the hydraulic coupling between the converter cover and the turbine with a mechanical coupling between the converter cover and the turbine hub. This mechanical coupling helps improve fuel economy and wide-open throttle performance by eliminating converter slip. Transmission shift selection and torque converter clutch operation are controlled by the PCM. They are calibrated to provide the optimal transmission state. This state is commanded to the transmission solenoid body. In the (D) range, automatic operation of all four gears is possible. The transmission control switch, located on the vehicle's shift lever disables overdrive operation and enables automatic operation through the first three gears. Whenever the ignition switch is turned on, the vehicle will automatically provide overdrive operation regardless of the switch position the last time the vehicle was running. Manual gear selection is available in the 1 and 2 range. Second gear is commanded when the gearshift selector lever is in the 2 range and when downshifted into the 1 range at speeds above approximately 56 km/h (35 mph) (for diesel 48 km/h [30 mph]). First gear is commanded in the 1 range at start-ups and when downshifted into 1 range below approximately 56 km/h (35 mph) (for diesel 48 km/h [30 mph]). Any reference to intermediate brake drum or direct clutch cylinder are one and the same.
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I think this is your problem:

Programmable Speedometer/Odometer Module (PSOM): Description: The programmable speedometer/odometer module receives input from the rear brake anti-lock sensor, which is mounted on the rear axle differential housing. The PSOM processes this input signal information and relays it to the powertrain control module and the speed control module. This signal tells the powertrain control module the vehicle speed in miles per hour (mph). Used as an input in determining shift scheduling and electronic pressure control. Symptoms: Harsh engagements, firm shift feel, abnormal shift schedule, unexpected downshifts may occur at closed throttle, abnormal torque converter clutch operation or engages only at wide-open throttle (WOT). May flash transmission control indicator lamp. Diagnostic Trouble Codes: 452, P0500, P1500, P1501, P0503

Posted on Mar 21, 2009

  • 65 Answers

SOURCE: 1991 Caprice No reverse. Moves in neutral. All forward gears OK.

shift linkage needs adjusting,,could be bent, easy fix, located along firewall to fram beneath the column, ask your son wut he ran over and didnt tell u about... hope i could help...:)

Posted on Mar 23, 2009

  • 5 Answers

SOURCE: 1998 grand am parking brake light wont go of. cant shift from par

Sounds to me if it has rear disc brakes you have 1 or 2 bad calipers

Posted on Apr 13, 2009

  • 7 Answers

SOURCE: My 1999 ford explorer will not go into park;all other gears work

DIsconnext and reconnect the linkage at the transmission. You may want top replace the linkage cable all together. Make sure you set the parking break and block the tires

Posted on Apr 14, 2010

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1 Answer

What will cause my 2008 gmc envoy not to move when I put it in reverse neutral or drive


  • Neutral safety switch sends a signal to the on-board computer to allow the engine to start and to engage the transmission
  • When not replaced, vehicle may experience no start and/or transmission will not shift out of park.Here's a link to the part,
Duralast Neutral Safety Switch DR4146 Read Reviews on Duralast DR4146

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Will the neutral safety switch keep it from shifting out of low gear?


The neutral safety switch should not affect the shifting of the transmission. The neutral safety switch is there just to make sure that you have the transmission in park or neutral when cranking the engine. It is just a safety mechanism to prevent cranking while in forward or reverse and having the car lurch forward or backward.

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Why would a vehicle in reverse move forward


The question is a little vague but I think I know what your referring to. All modern automatic transmissions have torque converters. This is the device that connects the engine to the transmission. All vehicle manufacturers like the trans to be nice and smooth shifting. That's great but it does come with some minor drawbacks. If you are facing slightly down hill and you put your car in reverse but do not step on the gas slightly I can guarantee that you will indeed roll forward. You can eliminate that issue by holding your left foot on the brake while you shift into reverse. Then, as soon as you feel the trans engage, gently depress the gas pedal with your right foot and it will eliminate that forward roll problem.

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After jump starting c240 and drove arround it wont engage reverse and now wont start


Brake ON and shift gear lever to N - neutral and try to start.

It can be a bad neutral safety switch.

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run fault codes and look for faulty TCM and reverse servo .

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Your Neutral Safety Switch or PRNDL Switch needs to be adjusted

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I have a ford ka, and when trying to put it into reverse it made a weird clunking noise. And then wouldn't come out of reverse. I had to really push at the gear stick to get it out. I can't select any...


If the Gear is truck into unless the clutch disengages it wont shift. So start the car move slightly- if no space is a avialable jack up and let the drive wheel move- now shift the gear after depressing clutch. It must shift over now. If not repeat while the drive moves. You can now shift the car to forward gear .

Sep 14, 2010 | 1999 Mercury Sable

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1991 Caprice No reverse. Moves in neutral. All forward gears OK.


shift linkage needs adjusting,,could be bent, easy fix, located along firewall to fram beneath the column, ask your son wut he ran over and didnt tell u about... hope i could help...:)

Mar 22, 2009 | 1991 Chevrolet Caprice

2 Answers

1991 Caprice No reverse. Moves in neutral. All forward gears OK.


What engine? Rear wheel drive ?Sounds like shift linkage or cable out of adjustment slightly. Have a look at where cable or rod attaches to transmission for adjustment. If not sure of what your looking for get back to me with info.

Mar 21, 2009 | 1993 Nissan Maxima

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