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What is trouble code 33 - 1995 Chevrolet Tahoe

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33 map sensor signal out of range, high

Posted on Jan 15, 2013

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- 1993 at 1998 also called ZJ series has OBD I code with two codes... Trouble Code/Chrysler
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My '93 suzuki sidekick automatic transmission 4 wheel drive after warm up "overdrive off" starts flashing on and off and when on the drivetrain stops working


The O/D light's flashing means there is some kind of transmission trouble.

The codes are..


Trouble Code (1) Probable Cause
12 ............................... System Operation Normal
21 ..................... No. 1 Shift Solenoid Open Circuit
22 .................... No. 1 Shift Solenoid Short Circuit
23 ..................... No. 2 Shift Solenoid Open Circuit
24 .................... No. 2 Shift Solenoid Short Circuit
25 ............................. TCC Solenoid Open Circuit
26 ............................ TCC Solenoid Short Circuit
31 ............ Vehicle Speed Sensor Open Or Short Circuit
32 ................ Throttle Position Sensor Short Circuit
33 ................. Throttle Position Sensor Open Circuit
34 ................ Defective Park/Neutral Position Switch
36 .............. (2) No Signal-Both Vehicle Speed Sensors
(1) - Check listed component for probable cause. Also check wiring and connections of specified component.
(2) - No signal from both transmission and speedometer mounted vehicle speed sensors.

If a trouble code is present, OD OFF light will flash a trouble code. The number of flashes will equal first digit of trouble code. After a one second pause, second digit will be displayed. If more than one trouble code is present, next trouble code will be displayed after a 3 second pause. Smallest number trouble code will be displayed first. Trouble codes will be repeated.

Hope this gave you some insight on the issue.

Mar 08, 2011 | 1993 Suzuki Sidekick

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Air bag flashes code 32. what is the problem


Code 32 is a Lamp Fault Code

You also will have DTC Codes (diagnostic trouble codes)
for the LFC Codes

I don't have 32 ,as it will be in the factory workshop manual

33 &34 are seat belt pretensioner faults

Answer: you need professional help, or at
least a scan tool with current software

Feb 24, 2011 | 2000 Lincoln Navigator

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What do the trouble codes 33, 35, & 5 mean for a 1992 Dodge Spirit?


Code 5 = Battery Low Voltage
Code 33 = Air Injection Reactor Switch Solenoid
Code 35 = Idle Switch Open

Nov 18, 2010 | Dodge Spirit Cars & Trucks

1 Answer

89 5.7 trouble code 13 33 42


Here's the site that I came across:

http://autorepair.about.com/library/ts/obd-i/bl-dtcs-56.htm?once=true&

and here's what it's suggesting for a chevrolet from 1989:

13 Open Oxygen Sensor Circuit 33 Manifold Absolute Pressure Sensor Circuit (High Signal) 42 Electronic Spark Timing (EST) Circuit

Jan 10, 2010 | 1989 Chevrolet K1500

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1988 Dodge Aries K 2.5L Engine Trouble and codes


CODE 14
Trouble Code 14 indicates that the Coolant Temperature Sensor (CTS) is reporting abnormally high readings. CTS is used to control fuel mixture, timing, idle speed, TCC and EGR operations among others. The thermistor used has a low resistance when hot, rising as the coolant cools. This error then, indicates a very low resistance in the CTS circuit.
CODE 15
Trouble Code 15 indicates that the Coolant Temperature Sensor (CTS) is reporting abnormally low readings. CTS is used to control fuel mixture, timing, idle speed, TCC and EGR operation, among others. The thermistor used has a high resistance when cold, lowering as the coolant warms. This error then, indicates a very high resistance in the CTS circuit.
CODE 33
Trouble Code 33 indicates that the Mass Air Flow (MAF) sensor is reporting more air is entering the engine than makes sense based on RPM and TPS. The MAF sensor produces a frequency output; around 30 Hz at idle to 150 Hz under acceleration. The frequency varies proportionally to airflow. The ECM monitors the frequency and thus determines airflow into the engine. Typical idle MAF is 5 to 7 grams per second.

Mar 30, 2009 | 1988 Dodge Aries

2 Answers

Trouble code 33 &44


Code 33 is MAF sensor (mass airflow sensor ) & 44 is lean exhaust mixture. My guess is 33 is causing 44.

Feb 05, 2009 | 1987 Pontiac Grand Am

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