Q: After driving 40-50 miles, and stop at light, car starts kicking into gears

When a catalytic converter begins to fail, the computer will give a reading of the code P0420 and/or code P0430 which pertains to catalyst efficiency. The catalytic converter is, in a way, like a metal filter that traps toxic gases...

GM has a TSB out concerning clogged injectors (https://www.yourmechanic.com/article/what-causes-fuel-injectors-to-get-clogged-or-dirty) that may cause all of the rough running/no start symptoms that you are experiencing. A professional fuel injector cleaning may help correct these various engine running issues. The procedure does require...

Yes, you should replace the entire fuse box. The reason for this is that it is quite likely that when the box burned other connections inside the fuse box were also damaged. This will in fact affect the vehicle starting...

Hello. It is possible that there is a wiring issue, or that the carburetor is actually leaking fuel into the engine which flooded it. I usually pull the spark plugs first to see if they are covered in fuel. If...

Hello. There are 2 possibilities for this clicking sound. First, you may need to have the valves adjusted. They may be a tad loose with your mileage. The recommended interval for a valve adjustment for this engine is every 105K...

The Check Engine Light on for code P0430 (https://www.yourmechanic.com/article/p0430-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-2-by-spencer-clayton) is for the right (passenger side) O2 sensor indicating a bad catalyst on the passenger side or right side of the vehicle. Before replacing the catalyst (https://www.yourmechanic.com/services/catalytic-converter-replacement), check all the engine...

Hello - yes, this is one of the heater hoses, and a leak (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-coolant-tube) at that hose connection is the most likely source. I would recommend a heater hose replacement (https://www.yourmechanic.com/services/heater-hoses-replacement) (for both heater and radiator hoses if they haven't...

Hi There, If you have power to lights, radio, accessories, etc, but the engine will not turn over or make any sound at all when turning the key, you may have a faulty starter relay. The starter relay (https://www.yourmechanic.com/services/starter-relay-replacement) directs...

Hi Lisa: the picture you sent shows a conventional post and terminal connection held on with a through bolt and nut. The nut is probably around 10 or 12 MM (if metric). You can just use a box end wrench...