Question about 1991 Geo Metro

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On a 91 geo metro there is a code 41, Ignition Signal Circuit how do I troubleshoot it?

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To diagnosis need to know if you have a distributor with or without a vacumm advance on it?

Posted on Feb 05, 2010

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2 Answers

Where is the location of the camshaft position sensor ? aka: CMP.


images for 1997 geo metro camshaft position sensor

1993 Geo Metro Camshaft Position Sensor Unraveled ...

? 5:18
www.youtube.com/watch?v=XXA1yFePM4w
Apr 8, 2015 - Uploaded by Jeff Dean
This is Part One of a series where I document my troubles with the Camshaft Position Sensor. This first

Sep 18, 2015 | 1997 Geo Metro

2 Answers

Lost my keys to my 1991 geo metro is there any way to have keys made for that ignition


A locksmith can come out and make a key for it. But they used to charge $75 just to come out

Feb 22, 2015 | 1991 Geo Metro

1 Answer

91 geo metro all new parts will crank but no spark


insert the ECU diagnostic connector (DLC) jumper.
crank for 5 seconds. release key, watch the CEL lamp flash codes.
do you get DTC erropr for the CMP sensor?

which engine>? 1.0L
here is the page that shows HOW TO DO THAT.
this is and OBD1 car, with a jumper check.
all cars , if the precursors to spark fail, sets a code. (error)

http://geometroforum.com/topic/638390/1/

Sep 29, 2014 | 1991 Geo Metro

2 Answers

My front signal lights on my 1995 Geo Metro do not work. The rear ones do, but not the front. I checked the fuse box but it wasn't that. When I turn on the head lights all the lights turn on. It's only...


the front lights for the park lights work off of a separate filament and wire circuit than the signal light.you may just need to replace the bulbs at the front of the car.it may also be a bad socket for the signal lights only and not the park lights.

Apr 20, 2011 | 1995 Geo Metro

1 Answer

I have a 1993 geo metro with a 1.0 L I am looking for the torque specs. for the rod and main bearings


Rod bearing end caps 33-37 N-m ( 24-26 ft.lbs )

Crankshaft bearing end caps 50-57 N-m ( 36-41 ft. lbs )

Jan 16, 2011 | 1993 Geo Metro

1 Answer

91 geo metro will start fine when cold but will not start when warm. Would injector cleaner put into fuel help?


Likely not. Check it for spark when its hot. It might be an ignition module or coil problem.

May 14, 2010 | 1991 Geo Metro

2 Answers

Have codea 12-19-30-41-52-91 f10-32 please help the car i have is a 1990 cad sedan de ville 4.5 engine


ECM Trouble Codes
12-Distributor signal fault
19-Fuel pump circuit fault (short)
30-Idle speed control (isc) motor rpm out of range
41-Camshaft position sensor (CMP) or circuit fault
52-Electric control module (ECM) reset
91-Park neutral position switch or coicuit fault

BCM Trouble Codes
10-Outside temperature sensor or circuit fault
32-Electronic control module (ECM) to Body control module (BCM) fault loss of communcation

Source: Haynes repair manual


Dec 11, 2009 | 1990 Cadillac Deville

2 Answers

95 GEO Metro starting problem . A code 42 appears. which is crank angle sensor, this car does not appear to have one. it turns over but no ignition.


42 is CAMSHAFT position sensor; its in the distibutor. Code 42 will set if there is no signal for 2 seconds. Resistance at the sensor terminals should be about 205-255 ohms. There should be a small AC voltage present at the terminals if the engine is turned; .1 to .4 volts. Air gap between rotor ridge and sensor ridge .008 to .016. Cam is belt-driven, is belt good?

Jul 11, 2009 | 1995 Geo Metro

1 Answer

91 geo metro-fuel filter?


i would say you jumped timing your belt moved a notch

Nov 25, 2008 | 1991 Geo Metro

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