1992 Chevrolet Caprice Cruise Control Isn't Working

Fixing Cruise Control Issues in 1992 Chevrolet Caprice

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 1992 Chevrolet Caprice cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 1992 Chevrolet Caprice cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When the throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial steps to diagnose the non-functioning cruise control in a 1992 Chevrolet Caprice?

When diagnosing the non-functioning cruise control in a 1992 Chevrolet Caprice, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by inspecting the fuse box for any blown fuses, as this is a straightforward fix that can often resolve electrical problems. Next, examine the vacuum actuator, which plays a crucial role in the cruise control system; a malfunction here can lead to a complete failure of the cruise control function. Additionally, ensure that the vehicle is capable of maintaining a set speed, as inconsistencies in speed can indicate underlying issues that affect cruise control performance. Finally, consult the vehicle's manual to accurately locate the fuse box and gain further insights into the cruise control system. By following these initial steps, you can effectively narrow down the potential causes of the problem and determine the best course of action for repairs.

What are the common problems that could cause the cruise control to stop working in a 1992 Chevrolet Caprice?

When troubleshooting the cruise control system in a 1992 Chevrolet Caprice, it's essential to consider several common problems that could be at play. One of the first things to check is the fuse; a blown fuse can easily disrupt the entire system, so inspecting and replacing any damaged fuses is a straightforward first step. If the fuses are intact, the next potential culprit could be the cruise control switch itself, which may need replacement if it's faulty. Additionally, vacuum leaks are a frequent issue that can hinder the cruise control's operation, so examining the vacuum lines for any signs of wear or disconnection is crucial. Another important component to inspect is the speed sensor; if it's malfunctioning, it can prevent the cruise control from engaging properly. Lastly, don't overlook the brake light switch, as any issues here can also affect the cruise control's functionality. By systematically addressing these common problems, you can effectively diagnose and potentially fix the cruise control issues in your Caprice.

How urgent is it to address the non-functioning cruise control in a 1992 Chevrolet Caprice?

Addressing the non-functioning cruise control in a 1992 Chevrolet Caprice is crucial due to the potential safety risks and performance issues it may cause. A malfunctioning cruise control system not only diminishes the convenience of maintaining a steady speed during long drives, which can lead to increased driver fatigue, but it may also signal deeper electrical problems that could affect other vital components of the vehicle. Ignoring this issue can result in higher fuel consumption, as the car struggles to maintain an efficient speed without the cruise control's assistance. Moreover, the absence of this feature can pose a safety hazard, particularly on highways where fatigue can set in more quickly. Therefore, it is essential to address the malfunction promptly to ensure both your safety and the overall health of your vehicle, ultimately saving you from more significant repairs and costs down the line.

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