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 faced with a non-functional cruise control in your 2000 Chevrolet Express 3500, start by checking the fuse associated with the cruise control system, as a blown fuse can often be the simplest fix. Next, inspect the cruise control switch located on the steering wheel to ensure it is operational; a faulty switch can prevent the system from engaging. It's also crucial to verify that your brake lights are functioning correctly, since a malfunctioning brake light switch can inadvertently disable the cruise control. Additionally, examine the vacuum lines connected to the cruise control system for any signs of leaks or damage, as these can significantly impact performance. Testing the cruise control module is another important step, as it should be sending the correct signals for activation. Finally, check for any stored error codes in your vehicle's onboard computer system, as these codes can provide valuable insights into the underlying issues affecting your cruise control. By following these steps methodically, you can effectively diagnose and potentially resolve the cruise control problem on your own.
When troubleshooting the cruise control system in a 2000 Chevrolet Express 3500, it's essential to identify several common problems that could be causing the malfunction. Start by examining the cruise control switch, as a faulty switch can prevent the system from engaging properly. Next, check the vehicle's fuse box for any blown fuses, as this can disrupt the entire cruise control operation. The brake pedal switch is another critical component; if it is defective, it may fail to communicate with the cruise control system, leading to disengagement when the brakes are applied. Additionally, look for vacuum leaks within the cruise control system, as these can result in a loss of pressure and cause the system to stop working. A malfunctioning speed sensor can also impede the cruise control's ability to maintain the desired speed. Lastly, consider any electrical issues, such as damaged wiring or faulty connectors, which can complicate the functionality of the cruise control system. By accurately diagnosing these potential issues, you can effectively restore the cruise control functionality in your vehicle.
Addressing a non-functioning cruise control in a 2000 Chevrolet Express 3500 is important, even if it may not seem urgent at first glance. While the immediate drivability of the vehicle may not be compromised, the underlying issues that could cause cruise control failure often relate to critical components of the vehicle's electrical system or sensors. Ignoring this problem can lead to increased fuel consumption and reduced comfort during long drives, which can be particularly concerning for frequent travelers. Moreover, a malfunctioning cruise control system could signal more serious issues that, if left unaddressed, might escalate into significant safety risks or costly repairs. Therefore, it is advisable to consult a qualified mechanic to diagnose and resolve the issue promptly, ensuring both the safety and optimal performance of your vehicle.

Not sure what's wrong?
Get help from a trusted expert
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.
See what others are asking about their Chevrolet Express 3500. Get answers from RepairPal's community of auto experts and enthusiasts.
Read about related problems experienced by other Chevrolet Express 3500 drivers like you.