Question about 1992 Saturn SL2

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Code 84 for 92 saturn sl2 check engine code

92 saturn sl2 check engine code 84 ignition voltage too low, what is the cause.

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Go to autozone they will give you a print out wile the thing to check. bobg22

Posted on Nov 12, 2009

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93 Saturn SL2 Does Not Start, MIL Light On


Hi, here are procedures from autozone.com for extracting trouble codes from your Saturn:

See Figure 1
To enter the self-diagnostic mode, either connect a scan tool to the ALDL or DLC. On 1991-95 models, use a jumper wire to connect terminals A and B of the ALDL. Turn the ignition switch ON , then the PCM will enter the diagnostic program and report trouble codes on the scan tool or by flashing the SERVICE ENGINE SOON light.
All codes are 2 digits between 11 and 99. Codes are displayed on the SERVICE ENGINE SOON light by flashing the light with short and long pauses to distinguish digits of one code from digits of another. The short pause is used between digits of the same code, long pauses are between different codes. For example, the Code 12 sequence will be: flash, pause, flash-flash, long pause.
  1. When the diagnostic mode is entered, Code 12 is displayed 3 times. This indicates that the internal diagnostic system is operating. If Code 12 is not displayed, the self-diagnostic program is not functioning properly. If only Code 12 is displayed, no system malfunctions have been stored.
  2. Any existing system fault codes are displayed in order from low to high, except for Code 11. Each code is displayed 3 times, followed by the next code, if any.
  3. On vehicles with an automatic transaxle and on which exist stored transaxle codes, Code 11 will be displayed last, then the SHIFT TO D2 (1991-1992 models) or HOT (1993-98 models) light will begin flashing transaxle codes or flags.
  4. When all engine and transaxle codes have been displayed, Code 12 will flash again. At this point, all output devices are driven, except the fuel pump, so these circuits can be checked.
  5. This procedure can be repeated as required by cycling the ignition switch OFF , then ON again with the ALDL terminals jumpered together. The code display will begin again as in Step 1.

jturcotte_24.gif
Fig. Fig. 1: ALDL Pinout


Here are some tests for the MAP sensor:
See Figures 1, 2 and 3
  1. Unplug the MAP sensor connector and turn the ignition switch ON . Check for about 4.5-5 volts between connector terminal C (gray wire) and ground.
  2. Check for the same voltage between terminals C and A (black wire). This is a ground through the PCM.
  3. Reconnect the wiring, then install a Saturn diagnostic probe, or equivalent, on the green wire and connect either a voltmeter probe or a scan tool to the ALDL. Connect a vacuum gauge to the intake manifold.
  4. With the ignition switch ON and the engine not running, the return signal voltage should be close to the supply voltage in Step 1, if below a 1000 ft. (305 meters) altitude. If above this altitude, see the chart for the correct voltage.
  5. With the engine at idle, there should be at least 16 in. Hg (54 kPa) of manifold vacuum and 1-1.5 volts on the signal return wire. When the throttle is opened suddenly, the signal voltage should increase. It may only change momentarily.
  6. If the voltage at idle is the same as in Step 1, or if the voltage does not change when the throttle is moved suddenly, the sensor is faulty and must be replaced.
jturcotte_25.gif

Fig. Fig. 1: With the ignition turned ON, measure the MAP sensor circuit for a reference voltage

jturcotte_26.gifFig. Fig. 2: Schematic for the MAP sensor circuit


jturcotte_27.gif
Fig. Fig. 3: MAP sensor return voltage altitude compensation chart (with the ignition ON and the engine not running)




jturcotte_28.gif jturcotte_29.gif jturcotte_30.gif jturcotte_31.gif jturcotte_32.gif jturcotte_33.gif

on Dec 26, 2010 | Saturn SL2 Cars & Trucks

2 Answers

Yes I have a 2000 Saturn sl2 and they told me at advance auto with hooking this thing up to there computer that a code came up for transmission showing the solenoid A is bad this car has 5 solenoids d


comment on the code number that was showing as each code refers to a specific solenoid. Also what the symptoms were that required to have the codes read.

Dec 11, 2014 | 2000 Saturn SL2

1 Answer

Saturn sl2 sputters when i accelerate and check engine light came on when i kicked it down into passing gear,seems to idle a little low now seems to be getting worse


You'll need to get the trouble codes to see what is the problem. Many auto parts stores will pull the codes for free - I'd start there.

Dec 11, 2010 | 1993 Saturn SL2

1 Answer

Service light comes on in about 30 seconds in a saturn sl2


Go to SaturnFriendsForums.com it's a great site with a WEALTH of info on saturn specific problem solving.

In the mean time have auto zone or other parts place read the codes for the service light,

MOST problems are caused by a bad water temp sensor on the right side of the engine down low ( looking at it from the front of the car ) it's called the ECTS sensor, get a BRASS one from auto zone for $8.00 it will solve a lot of problems that there may not be a code for.

Mar 29, 2010 | 1996 Saturn SL

1 Answer

WHY IS THE SERVICE ENGINE LIGHT ON IN MY SATURN??


The Check Engine light will light when the ECU stores a trouble code.
Counting the Flashes
To retrieve trouble codes, turn the ignition key to the "on" position with the engine OFF.
The Check engine light will flash many short blinks. The total number of blinks equals the code number. For example, flash,pause, flash,flash = code 12.If more than one code is stored, the Check engine light will flash the codes in sequence (lowest to highest) with a pause between each code. The codes will repeat until the key is turned to the OFF position.

11 Transaxle codes present 12 Diagnostic check only 13 Oxygen sensor circuit 14 Coolant sensor/high temperature 15 Coolant sensor/low temperature 17 PCM fault - pull-up resistor 19 6X signal fault (92-95 models) 21 Throttle position sensor-voltage high 22 Throttle position sensor-voltage low 23 IAT circuit low 24 VSS circuit-no signal 25 IAT circuit-Temp out of high range 26 Quad driver output fault 32 EGR system fault 33 MAP sensor - voltage out of range high 34 MAP sensor - voltage out of range low 35 IAC - rpm out of range 41 Ignition control circuit-open or shorted 42 Bypass circuit - shorted or open 41/42 IC control circuit grounded/bypass open 43 Knock sensor circuit shorted or open 44 O2 sensor indicates lean condition 45 O2 sensor indicates rich condition 46 Power steeringpressure circit(91 models)open or shorted 49 High idle indicates vacuum leak 51 PCM memory error 53 System voltage error 55 A/D error 58 trans fluid temperature too high 59 Trans fluid temperature too low 66/67 A/C pressure sensor 81 ABS message fault 82 PCM internal communication fault

Mar 10, 2010 | 1992 Saturn SL2

4 Answers

2000 Saturn SL2-" Service engine soon light" won't go out, even after having oil changed. Any ideas? Advance Auto's light says code: P0440.


You have to have one of the parts stores clear it. Did you check you gas cap. P0440 Is an emissions codes usually caused from a loose gas cap

Aug 20, 2009 | 2000 Saturn SL

1 Answer

2000 saturn SL2,reader says PO131and (PO137 Peading)


P0131 - oxygen sensor circuit low voltage (bank 1 sensor 1)
http://www.obd-codes.com/p0131

P0137 - oxygen sensor circuit low voltage (bank 1 sensor 2)
http://www.obd-codes.com/p0137

www.obd-codes.com

These websites help me a lot. Hope they do the same for you too.









Jun 07, 2009 | 1999 Honda Civic

1 Answer

Myservice engine light came today rogh in idle at light rpms seem a little high this is a 98 saturn sl2 I think engine is a 1.9


the check engine light means that a code has been set. the code will reference a faulty system that must be diagnosed and repaired. sorry for the vagueness, but there are e gads of codes that can cause the rough idling

most aftermarket parts places will scan the car for free. this will give you an idea of where to start.

May 11, 2009 | Saturn SL2 Cars & Trucks

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