Question about 1990 Pontiac Sunbird

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1990 pontiac sunbird 2.0 liter non turbo error code 14

Hard to start when cold replace engine coolant temp sensor...same problem

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  • 110 Answers

You did replace the one for the computer, not the one for the gauge or light, right?

Posted on Jan 09, 2013

  • Don Maton Jan 10, 2013

    yes

  • warren forbes Jan 10, 2013

    If you have a lot of miles on it the engine may have low compression. Check it and see if it is within specs. Low fuel pressure will make one hard to start too.

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SOURCE: need location of crank angle sensor on 1997 pontiac sunfire 2.2 liter

Hello oldiro: My name is Roger and I can help. From under the vehicle look up between the transmission and the side of the block. Mid motor above the pan rail there is a bolted in sensor. This should be the crank sensor.It will have two wires plugged in to it. Please rate this answer as this lets us know you received the information you asked for. Should you need further help please just ask. Thank You for using FixYa. Roger

Posted on May 06, 2009

old marine
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SOURCE: 1990 Pontiac Grand Am 2.5 L engine. Leaking

That drain line is for the box that holds the air conditioner evaporator and the heater coil. It seems that your heater coil has sprung a leak and the leaked fluid is coming out the drain. You have to replace the heater coil, which on most cars involves removing a lot of the interior equipment, including the dash board on many cars. A job best left for the repair shop unless you're very adventurous and patient. Even then you will have to take it to a shop to have the air conditioning system recharged.

Posted on Jul 06, 2009

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SOURCE: HELP!! Having electrical issues with my 2005 Pontiac

electical is hard to diagnose with out being there. i would treat each problem seperately. first you will need to test the engine temp gauge sending unit. in a dealership this is easy with a scanner they can run a sweep test to se if the gauges are responding.you don't want the engine to over heat if the gauge is not working. next problem the dome light should be easy to fixe does the dome light work with the dome switch?remove the bulb and with the doors open and switch on check for voltage, if voltage check connection and or replace bulb. if no voltage check fuses for voltage.last will need to have the dtc po243 checked out by a repair shop. i hope this will help.

Posted on Oct 30, 2009

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SOURCE: I have a pontiac grand prix gt 3800 non turbo is

I have a 2003 Pontiac grand prix...I've lost power, it won't go over 30mph, it doesn't shift thru the gears smoothly. The service engine soon light goes off and on, more so when I'm trying to gas it. Its seems as tho it's 'being choked'...like not getting gas or air. So far, I've flushed the ******, changed the plugs, wires, air filter, fuel filter. I suspect the problem is a clogged cat convertor. I've been told that the exhaust can be opened a little near the cat to allow air to flow in....that should confirm if the problem is the Cat or not. I'm testing that theory today.

Posted on Mar 12, 2012

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1 Answer

1990 pontiac subird 2.0 error code12


code 12, isn't actually a trouble code, its a starting point, and ending point for the diagnosis system. when it flashes its telling you ok we're starting the diagnosis and when it flashes again its saying ok its completed. its the codes after the 12 you are looking for.

As for the hard starting when cold, could just need a tune up. The fuel pressure may be low. Compression could be low. I would do a compression test to make sure.

I hope this helped give you some ideas on things to check.

Jan 09, 2013 | 1990 Pontiac Sunbird

1 Answer

What is code 23 for pontiac grand am is it vacume leak


Wow these are hard to find!!

Diagnostic codes for 1987 Pontiac

13 Open Oxygen Sensor Circuit
14 Coolant Temperature Sensor (High Temp Indicated)
15 Coolant Temperature Sensor (Low Temp Indicated)
21 Throttle Position Sensor (Signal Voltage High)
22 Throttle Position Sensor (Signal Voltage Low)
23 Manifold Air Temperature (MAT) Low Temp Indicated
24 Vehicle Speed Sensor (VSS) Circuit
25 Manifold Air Temperature (MAT) High Temp Indicated
32 Exhaust Gas Recirculation (EGR) Vacuum Control
33 Mass Air Flow Sensor (MAF) (GM/SEC High)
34 Mass Air Flow Sensor (MAF) (GM/SEC Low)
41 Cam Sensor Circuit
42 C3-I EST or Bypass Circuit Failure
43 Electronic Spark Control (ESC) Circuit
44 Oxygen Sensor Circuit (Lean Exhaust Indicated)
45 Oxygen Sensor Circuit (Rich Exhaust Indicated)
51 PROM Error
52 CALPAK Error
55 ECM Error
If you have your owners manual they should be in there. I couldn't find one online but did find this.

Future reference
http://autorepair.about.com/library/ts/obd-i/bl-dtcs-28.htm?once=true&

I hope these helped you

Nov 26, 2010 | 1987 Pontiac Grand Am

1 Answer

2002 VW Beetle Temp gauge flashing, why?


the coolant temp sensor is by far the most common fault.the only other thing it could be is the sensor in the coolant header tank.if you disconect the 2 pin sensor from where you top the coolant up and bridge out the 2 pins in the connector with a bit of wire.if this cures the fault you know its the coolant level sensor.if it persists and its straight from a cold start then the coolant temp sensor is the most likley cause.hope this helps.

Feb 04, 2009 | 2002 Volkswagen Beetle Turbo S

1 Answer

Check engine codes


1-2-3* Signal missing to/from coolant temp. sensor Wiring fault to or in ECT sensor;grounds corroded on intake manifold or engine Difficult to start engine when cold Same Same

Dec 23, 2008 | 1994 Volvo 940

1 Answer

Truck wont start


Is it getting fuel?
is it getting spark?


as for the code.........here is the code list for gm vehicles



Code: Meaning:
12
No Distributor pulses
13
Oxygen sensor
14
Coolant Temp sensor circuit
15
Coolant Temp sensor circuit
21
Throttle Position Sensor
22
Throttle Position Sensor
23
Manifold Air temperature sensor
24
VSS (Vehicle Speed sensor)
25
Manifold Air temperature sensor
32
EGR system
33
MAP sensor or MAF sensor depending on engine
34
MAP sensor or MAF sensor depending on engine
35
Idle Air Control Valve
36
MAF Burn-off circuit
41
No Distributor pulses, cylinder select error
42
Electronic Spark Timing or Bypass fault
43
Electronic Spark Control fault
44
Lean exhaust
45
Rich exhaust
46
VATS system fault
51
PROM fault
52
CALPAK fault
53
System over-voltage
54
Fuel pump circuit
55
ECM fault
61
Oxygen sensor fault (degraded sensor)




Jul 17, 2008 | 1990 GMC Sierra

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