1988 Chevrolet Truck and van unk problems

Common 1988 Chevrolet Truck and van unk problems

The 1988 Chevrolet truck and van, also known as the C/K series, are known for their reliability and durability. However, like any vehicle, they can experience common problems that may require repair or maintenance. Here are some of the most common problems with the 1988 Chevrolet truck and van, based on complaints from owners:

1. Windshield Wiper Motor Component Failure: The windshield wipers on models made between 1990 and 1999 may stop working intermittently due to a defective wiper motor. This problem may be caused by a faulty wiper motor control board, which can cause the wipers to stop working, fail to turn on, or keep running after being turned off. A temporary fix is to lightly tap on the control box, but a more permanent fix is to replace the wiper motor control board.
2. Coolant Leaks or Oil Leaks from Intake Manifold Gaskets: The intake manifold gaskets on 1988-1995 Chevrolet trucks and vans may leak coolant or oil, which can cause the engine to overheat or run poorly. Replacing the gaskets can be a complex and time-consuming process, and may cost approximately $1,000 to have done by a mechanic.
3. Restricted Secondary Air Injection Valves: Silverados and Sierras made between 1999 and 2007 are prone to a problem in which the secondary air injection check valves become restricted, causing reduced airflow and causing the check engine light to come on. Fixing this problem requires replacing the check valves, which may cost between $100 and $150 per valve.
4. Failed Steering Wheel Position Sensor: A failed steering wheel position sensor may cause a service stability message to appear in the Silverado or Sierra. This problem may occur intermittently or more regularly, such as every time the vehicle is started or the wheel is turned. Replacing the sensor, which may cost between $200 and $300, should fix this issue.
5. ABS Problems: The anti-lock braking system (ABS) on 1988-2002 Chevrolet trucks and vans may experience problems, such as the ABS light staying on or the brakes locking up during hard braking. These problems may be caused by a faulty ABS control module, wheel speed sensors, or brake lines.
6. Door Handle Problems: The exterior and interior door handles on 1988-2002 Chevrolet trucks and vans may become difficult to operate or break altogether. These problems may be caused by worn-out components or damage to the door handle mechanism.
7. Heater Controls: The heater controls on 1988-2002 Chevrolet trucks and vans may become difficult to operate or fail to work altogether. These problems may be caused by a faulty heater control module, wiring issues, or a blown fuse.
8. Tail Gate Problems: The tailgate on 1988-2002 Chevrolet trucks and vans may become difficult to open or close, or may not latch properly. These problems may be caused by worn-out components, such as the tailgate latch or cable, or damage to the tailgate mechanism.

It is important to note that these problems may vary in frequency and severity, and may not affect all 1988 Chevrolet trucks and vans. Regular maintenance and inspections can help prevent these problems from occurring or becoming more serious. If you experience any of these problems, it is recommended to consult with a certified mechanic or dealership for diagnosis and repair.

What is the code 42 on a 1988 Chevy Silverado?

Code 42 may be a leftover from having the timing wire disconnected. It should clear itself after a few run cycles. If not, there's definitely an issue with the ignition control circuit or the module itself. Sometimes the wires on the distributor that plug into the module can become brittle, so that's a place to check.

Why does my 1990 Chevy truck bog down when accelerating?

In my experience bogs are often due to a fuel problem (e.g. fuel pump) or clogged cat. If no codes, measure the fuel pressure, see if it is ok at idle or it drops when this happens, and if that's ok try temporarily disconnecting or bypassing the cat.

What is the code 42 on the obd1 system?

Ignition Bypass Circuit Error

The ECM monitors the Ignition Bypass circuit and will set code 42 to signal an error. The ignition bypass circuit allows the ECM to switch the ignition module from "base" timing to computer-controlled timing advance.

How do I fix code 42?

Since error code 42 can occur on many different devices, some troubleshooting steps may not apply to your specific device.

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What trucks did Chevy make in 1988?

For 1988, General Motors came out with a radically redesigned full-size pickup line known as the GMT400 platform. The truck GMC dubbed the Sierra was also available at Chevrolet as the Silverado, the Scottsdale, or the top-of-the-line Cheyenne.

What was the specs of the 1988 Chevy pickup?

Under the hood, the 1988 Chevrolet C1500 offered several engine options. The base engine was the LB4 4.3L V6, which produced 160 horsepower and 230 lb-ft of torque. Other engine options included the L03 5.0L V8, the L05 5.7L V8, and a 6.2L Detroit Diesel V8.

What is the code 42 on a 1988 Chevy Silverado?

Code 42 may be a leftover from having the timing wire disconnected. It should clear itself after a few run cycles. If not, there's definitely an issue with the ignition control circuit or the module itself. Sometimes the wires on the distributor that plug into the module can become brittle, so that's a place to check.

What engine does a 1988 Chevy truck have?

At its 1988 launch, the fourth-generation C/K pickup trucks shared its five-engine powertrain offering with the R/V series. On 1500- and 2500-series vehicles, a 4.3 L Vortec V6 was standard, with the options of a 5.0 L V8, 5.7 L V8, and a 6.2 L diesel V8.

1988 Chevrolet Truck and van unk car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Chevrolet Truck and van unk problems, we found that the most common problems with these 2023 model year vehicles are:

• Structure problems

The graph below shows statistics for all 1988 Chevrolet Truck and van unk vehicle components and the number of complaints received.