Question about 1995 Pontiac Sunfire

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Speedometer not working check engine light is on

I have a 1996 sunfire (automatic) recently had the transmission replaced, but now the speedometer isn't working and the check engine light is on.

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The cable to the speed odometer has come loose or not reinstalled, look for a loose cable. Go to a local parts store and ask them to ck the codes for free. Probably the shop leftt a vacuum hose off also, The auto store can help there too. You do not have to tip but you can.

Posted on Jul 30, 2009

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YOU NEED TO CHECK IF OUR SPEEDOMETER IS HOOK UP IF NOT ITS OUR SPEED SENSOR THATS BROKEN THANKS PIERRE

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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1996 honda civic vtec. so in the morning on my way to work my engine light came on the speedometer went crazy and the transmission started sliping.. so I took it to 3 tranmission shops they all said...


Disconnecting any sensor will cause a non working car to work suddenly.I would check two things. 1. The Transmission control module- vary rare issue. 2. the ignition control module. These break down a lot in Honda's. In the 96-98 model of the civic, the dash uses the tach built into the ignition control module. the 99-00 model doesn't use the ICM tach signal, but uses the same module. Test your ICM with a digital multi meter ($5 @ harbor frieght), before dropping $60- 140 on one.

Apr 30, 2017 | 1996 Honda Civic

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Speedometer is not working an check engine light is on. What can be the problem?


On Hondas, I have seen this problem of the Check Engine light on when the speedometer did not work. This is a problem with the drive cable not turning. 1. The cable might be broken. 2. If any recent work was done to the car, someone may not have connected the speedometer cable back. This was exactly what happened to me after I was trying to troubleshoot a noise from the speedometer. 3. The cable is not turning due to a probem where it connects to the transmission.

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I have a 1999 pontiac sun fire when I am driving sometimes my speedometer works and then it drops off do you know a fix.


does the check engine light come when this happens some vehicles when the speedometer stops working then the check light comes on does the engine change in the way it runs either at cruise or accelerating then this indicates a speed sensor in the transmission has an intermintant problem if there is no check engine light or change in the way the car runs then it is possible the problem is in the speedometer head or connections at the instrument cluster for the speedometer if the light is on then you need to have the computer checked to see if a code is set for the sensor,if so then that is probably were the problem is keep in mind it can also be a poor connection at the sensor,if this not were the problem is then it probably is in the cluster for the speedometer head or the speedometer head itself

Mar 02, 2011 | 1999 Pontiac Sunfire

1 Answer

The speedometer in my 2005 mustang stop working what could be wrong... peter


Most of the time when the speedometer stopps the odometer stopps too it it has the transmission may have troble ( if it's automatic as the speedsenser helps the trans shift as the computer shifts the trans too. the check engine light should be on also if it's not and the odometer is still working the problem is in the speedometer itself and the unit can be shipped off though your ford dealer for repair but I woould'nt do that till the speedometer has been removed unplugged and replugged in to see if it's just a bad connection. The speed senser can fail too but you will have these other problems tha I mentioned. The senser is on the side of the transmission nesr the place the drive shaft is connected to the transmission. If the automatic transmission shifts normally and the check engine lightisn't on the senser is likly to be good.

Feb 28, 2011 | 2005 Ford Mustang

2 Answers

Speedometer and Odometer quick working. How do I


Follow the speedometer cable from the firewall, down to the transmission. It should bolt in the transmission, remove the cable from the transmission, and turn the gear to check to see if speedometer is working, if not, it's most like the speedometer head unit.

Mar 15, 2010 | 1990 Geo Prizm

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Car speedo & odometer sometimes work OK, other times not at all.


Most likely a speed sensor is going bad (most cars and truck do not use mechanical speedometer cables anymore) most sensors are located near the differential in rwd cars or near the drive shaft on the transmission. Best bet is to get a Haynes manual for your car to help locate the speed sensor. Remove it and take it to the auto parts store so you can visually compare it to the replacement. Install the new speed sensor and it should restore your speedometer and odometer.

Aug 19, 2009 | 1996 Honda Civic

1 Answer

1996 Nissan 200SX Speed Sensor


It is possible that this code can be caused by the speedometer head itself. The signal from the speed sensor is processed in the speedometer and then sent to the ECM. Check the two screws on the back of the speedometer to see if they are loose. If so retighten and drive to see if the check engine light comes back on. If they are tight, replace the speedometer assembly( I think you gave to purchase the entire meter assembly). If the light still comes on, which is unlikely, you will need to check the wire going to the ECM.

Nov 29, 2008 | 1996 Nissan 200SX

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