Question about 1993 Ford Mustang

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I have 1993 mustang lx with 2.3 automatic. when you put it in reverse it jerks hard and stalls the engine. whats wrong?

Goes into drive just fine

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  • Ford Expert
  • 60 Answers

Check your transmission oil dip stick....look at the color of it. If its Brownish Black in color tranny is toast. Start there. Hope this helps you to start with.

Posted on Nov 22, 2014


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Posted on Jan 02, 2017

  • 31 Answers

SOURCE: hesitates/stalls during acceleration

i would check fuel supply, volume adn pressure, i wold also look at the MAF sensor hot wire to see if it has a little chia pet growing on it.

Posted on Dec 13, 2008

  • 11 Answers

SOURCE: Automatic gear shifter has become stiff - harder to move

put the car on jackstands or drive it onto ramps, take som carb cleaner/engine degreaser and spray the the little linkage on the side of your tranny, then work it through the gears, don't start it, just turn the key ot the first notch and put your parking brake on, try this process a few times, if this doesn't help there may be bigger problems.

Posted on Mar 16, 2009

  • 783 Answers

SOURCE: 1993 Mustang Convertible Airbag Code 24. What's wrong?

Safing Sensor Diagnostic Circuit Open Or Low Resistance In A Primary Crash Sensor.

Each primary crash sensor has an internal resistor. The diagnostic monitor uses the resistor in the primary crash sensors in combination with the two resistors inside the diagnostic monitor to create a tightly controlled diagnostic voltage at Pin 11 (Circuit 614, GY/O). The primary crash sensors are tied together inside the diagnostic monitor at Pins 17 (Circuit 617, PK/O), 18 (Circuit 619, PK/W) and 19 (Circuit 621, W/Y). Therefore, the resistors in the sensors are connected in parallel. The parallel combination of all three sensor resistors should be equal to 393 ohms. The resistance of each sensor should be 1180 (± 20 ohms) ohms. The resistors inside the diagnostic monitor are connected to Pins 11 (Circuit 614, GY/O) and 12 (Circuit 623, P/W) and are equal in value. Note that Circuits 614 and 623 are tied together inside the safing sensor. Therefore, the two resistors inside the diagnostic monitor are connected in parallel and will function the same as one resistor of half the original value. Current flows from Pins 1 and 6 through the resistors, out to Circuits 614 (GY/O) and 623 (P/W) on Pins 11 and 12, through the LH B-pillar safing sensor and out to the driver side air bag. Current flows through the driver side air bag and into Pin 10 (Circuit 615, GY/W). Current then flows from Pin 10 through the diode inside the diagnostic monitor and out to the primary crash sensors through Pins 17, 18 and 19. The current flows through each primary crash sensor resistor and ends at the case ground of each sensor. Pin 11 is the midpoint of the resistor network and voltage at Pin 11 will change with vehicle charging system voltage. The expected voltage at Pin 11 is shown in the table below. The diagnostic monitor measures the vehicle charging system voltage at Pin 13 (battery input). By measuring the voltage at Pin 13, the diagnostic monitor can accurately predict what the voltage at Pin 11 should be in a normal functioning system. If the connection between Circuits 614 (GY/O) and 623 (P/W) inside the safing sensor is broken, then the resistor on Pin 12 is no longer in the diagnostic circuit. Both resistors are needed to pull up the diagnostic voltage to the correct value. In this situation, the resistor on Pin 11 is the only resistor inside the diagnostic monitor pulling up the voltage. Therefore, the voltage on Pin 11 will be half of the normal expected voltage and the voltage on Pin 12 will be about equal to the vehicle charging system voltage. The diagnostic monitor does not measure the voltage on Pin 12, so the monitor bases its decision strictly on the voltage at Pin 11. If the voltage at Pin 11 is lower than it should be, the monitor will flash Diagnostic Trouble Code 24. Another situation that can cause low voltage at Pin 11 is a drop in primary crash sensor resistance (resistance is too low). If this occurs, the voltage at Pin 11 will be pulled down to a lower than normal value because the parallel combination resistance of the primary crash sensors will be less than 393 ohms. In this situation, the voltage at Pins 11 and 12 will be identical, but the monitor does not measure the voltage at Pin 12. Therefore, a primary crash sensor with low resistance may cause low voltage at Pin 11 and the monitor will flash Diagnostic Trouble Code 24 on the air bag indicator.
Here is a wiring schematic of this.

Posted on Mar 20, 2009

SOURCE: I have an 07 ford five hundred, first owner of

Trans Solenoid Pack

Posted on Apr 15, 2010

  • 222 Answers

SOURCE: 1990 Ford Probe 2.2 automatic stalls in forward, reverse OK

Sounds like a bad IAC (idle air control valve/sensor) that controls your idle when going from throttle to idle. If bad your idle will act crazy and can cause stalls easily. Pretty sure that's it.

Posted on Aug 21, 2010

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