your chev dealer can get key code for you by using the VIN number
What's the color code on a 1987 Chevy Caprice classic brougham
The key code for a 1988 Chevrolet Caprice Classic Brougham can typically be found on the original key or in the vehicle's owner manual. If those are not available, you can also check the lock cylinder or contact a Chevrolet dealership with your vehicle identification number (VIN) to obtain the key code. Additionally, some locksmiths may be able to help retrieve the code from the door or ignition lock.
Trouble code P0420 means:Catalyst system efficiency below threshold
The paint code is located on the trim tag which is located on the firewall near the brake booster or master cylinder
This is the 305ci engine. The 8th vin code is the engine code. This engine is rated at 170hp but I think it is understated for the face all of the models online are of "base" models. Also just bacause the car doesn't say "classic" dosent mean that its a "base model.
code 15 coolant temp sensor low temp indicated change cts sensor or test with multi meter
The Chevy caprice classic does not have anti theft technology. I have made many 1 dollar duplicates of my key and they all work fine I own a Repair Shop and what you say is true to a certain extent.In the past 2 weeks we have had 3 cars towed in for a no start. They were using the valet key. After awhile the pass code will not recognize it and will fail to start. If your key has a chip(resistor) in it then it is for antitheft.
Code 12 is a period It flashes when the codes start and end so you will see code 12 usually three times, then the codes you need to fix then code 12 three time and the codes you need to fix will repeat and so on.
did you leave the gas cap off and drive the car?
Electronic Spark Control Code 43 Speed density 1990-92 Hope this helps, jr Yo go to chevythunder.com dude, you'll find more than you'll ever need
code 43 is related to the spark control system. (esc) the problem is usually the knock sensor wiring connector is defective and/or the sensor. the sensor is located in the right /passenger side of the engine block near the starter.
Code 65 on a 1988 Chevy Beretta GTU typically indicates a problem with the vehicle's oxygen sensor or its circuit. This code may trigger the check engine light and can affect engine performance and fuel economy. It’s advisable to inspect the oxygen sensor and its wiring for any issues, and replace the sensor if necessary to resolve the code. Always consult a repair manual or a professional mechanic for accurate diagnostics and repair.