I have an aged Chevrolet K20 Pickup, which is having a high idle when in park or neutral. Whenever I shift into drive or reverse, it drops to where it should be. Last week, I was driving my truck and stopped at the red light. The idle dropped to about 500 rpm and stalled out. What's wrong with my vehicle?

Idle issues are among the most common problems of vehicles, especially this particular model of Chevrolet. If your idle problems have developed after you have performed any repairs with your vehicle, then it is best to have that area checked. This is to ensure that the timing is correct and all the vacuum lines are intact before you move other things. If the repaired area is clear, then you should check if there are faulty spark plugs, worn or loose distributor cap, or incorrect ignition timing. If these components are in good shape, then you should try to remove and clean the exhaust gas recirculation (EGR) or the idle air control valve (IACV). If the problem persists, you might need to change the primary oxygen sensor or replace a clogged EGR passageway.

I've been experiencing quite a lot of problems with my Chevrolet K20 Pickup. The most recent one is an A/C problem. I cannot get the compressor to start. I replaced the dryer compressor condenser and even added Freon. However, it still won't work. What's wrong with my A/C?

Check your compressor relay if it is due for replacement. You may need to replace it if you hear a click when you turn on the A/C. If that doesn't work, then you might want to look at the wirings. There could be a loose wiring, or it could have been eaten by rust and corrosion. You can refer to your vehicle manual for a wire diagram, so you can check if the relay isn't the problem.

I need new fenders for my truck since the stock ones were already eaten by corrosion. I haven't tried changing my fenders since I bought them from a sale last year. I also need new rocker panels because mine are already rusty and old. Where should I look for?

First off, you can get new fenders from various places. Note that fenders vary in quality and material. In 1992, the replacement parts industry required that all replacement car parts should be galvanized. This is to ensure that the rust will not be the ultimate cause of wear and tear. You may purchase these parts in online stores or at your trusted car repair shop. Installing these parts is relatively easy, and you can do it at home. All you need to do is to remove the old part as a unit and replace it in one piece. When you change your fenders, you may also consider using new bolts to ensure that you can eliminate all the rust that you can. Make sure that you align the bolts properly to ensure that you will not encounter any more problems along the road.

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