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Corrosion

The corrosion problem is due to the battery acid leaking onto the cables and causing the failures. The alternator may be overcharging the battery or it could be the battery temperature sensor causing the battery to be overcharged. The recommendation...

You need to check to see if the corrosion (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection) is causing a no connection from the battery to the main power supply. The corroded cable may need to be replaced.

ABS is capable of monitoring differentials in wheel speeds, and rates of deceleration, and there is no way the ABS system could "know" whether the brakes are in good repair or not. However, if the caliper was seized such that...

This could end up being a costly repair unless the pigtail replacements for the wiring harness are available. First, the water intrusion has to be repaired. The water has to have been leaking inside the vehicle for some time or...

Typically, when this type of problem occurs, the most common causes are either a bad battery, or a poor connection. If the vehicle starts and runs normally after being jumped, this is usually a sign that there may be enough...

Hi, thanks for writing in. Based on your situation, I would say your starter is fine, but your battery is bad. Cold Cranking Amps (CCAs) are what you use to start your car. They cannot be tested and they can't...

Hi, thanks for writing in. The AC blower motor or relay (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-blower-motor-relay) may be bad and would need to be checked. The radio you may have a blown fuse (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-fuse) or a problem with the radio itself. If you would...

Hello. There are some fairly sensitive electronics inside the throttle position sensor (TPS) housing. They are also not engineered to be easily disassembled for repair either. Unless you are quite experienced at unsoldering and soldering printed circuit board connections, I...

Hello. Thanks for writing in about your 1998 Lincoln Mark VIII. There is a recall for the cruise control malfunction of your vehicle. The Recall is number 69179. The recall (https://www.yourmechanic.com/article/what-to-do-if-your-car-is-recalled-by-jason-unrau) seems to point to a faulty cruise control (https://www.yourmechanic.com/article/how-cruise-control-works)...

Here are a few things to check next: With a fully charged battery, test the voltage on the ERLS fuse, Key On Engine Off (KOEO) and the transmission connector connected. If the voltage is low at the fuse, replace the...

Hello. I would recommend first disconnecting and cleaning the battery clamps and battery with baking soda and water. Once the terminals are clean then see if it will crank over. You may need to jump start the battery if it...

If your vehicle is already in service, there is probably some rust and corrosion already on the underbody. Undercoating is useless on those segments because the rust will simply continue unabated once coated. There is little, if any added benefit,...

Hi there: If you have almost 600,000 miles on your Impala, it's probably time to replace your radiator (https://www.yourmechanic.com/services/radiator-replacement), as the brown stuff is likely rust coming from within your radiator due to excessive use.

Brake lines are under very high pressure when your foot is on the pedal measured in the hundreds of pounds of pressure per square inch. Fuel supply lines are under pressure as well, around 40-65 PSI. The first concern is...

Hello there, many common faults will cause your 2008 Toyota Yaris to crank but not start. The most likely is the battery (https://www.yourmechanic.com/services/battery-replacement), fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement), battery terminals (https://www.yourmechanic.com/services/battery-terminal-ends-replacement), starter (https://www.yourmechanic.com/services/starter-replacement), battery cables (https://www.yourmechanic.com/services/battery-cable-replacement), ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement), or a wiring...

Anything to cut off or slow the corrosion (https://www.yourmechanic.com/article/is-rustproofing-undercoating-worth-it-by-cheryl-knight) will help but may also cover damage from existing damage. The cost of undercoating is up to you, but it may not be worth it depending on how much you are...

It is not normal for the battery and alternator to go bad in such a short time unless there is a problem in the wiring connections or harness connections. You will need to have the system checked to isolate the...

You should have your fuel injectors (https://www.yourmechanic.com/services/fuel-injector-replacement) and combustion chamber cleaned. The valves may have carbon built up on them and will cause lean conditions. Also dirty clogged injectors can cause lean conditions as well. Lastly, I recommend checking the...

Given you had a "sudden" failure, you might check the crank position sensor first. This component instructs the ignition module when to fire the spark plugs. If the crank position sensor is OK, work your way up the electrical path....

Hello there, a few different faults can cause the AC clutch not to engage on your 1998 Nissan 200SX. The most common would be the refrigerant is low (https://www.yourmechanic.com/services/ac-recharge), AC high pressure switch (https://www.yourmechanic.com/services/ac-pressure-switch-replacement), AC clutch failure, or lack of...