Q: I got my wiring and cords done and my car still won't go over 20 miles per!! What other things could cause this?

Without more information, such as the symptoms you experienced, it is nearly impossible to determine the cause of your concern. Usually a clutch will wear out before the gearbox.

Hi there: The idle is controlled by the idle control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement), mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement), and throttle body (https://www.yourmechanic.com/services/throttle-body-replacement) of a fuel injected motor. Any of these components could be dirty, damaged, or have faulty wiring that is...

Hello. Can you tell where the power steering fluid leak (https://www.yourmechanic.com/services/power-steering-fluid-is-leaking-inspection) is coming from? The smoke is likely just the power steering fluid burning off on the hot engine. The steering is likely hard because you are low on power...

The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core (https://www.yourmechanic.com/services/heater-is-not-working-inspection). As you may know, the...

Batteries normally self discharge over time. Also, your car's electrical system will draw 20-50 milliamps, roughly, even as the car sits, to power the clock, computer, and security system. Combined, these factors can cause the battery voltage to drop so...

Hi Matt. Thanks for contacting us today. I would agree with your assessment of a faulty oil pump or even a faulty sensor. The damaged main bearing would likely cause consistent oil pressure issues, so I think you can rule...

Hi Paul. It certainly appears you've covered most of the bases in regards to tracking down a misfire. However, the problem with a flood or excessive water (like you've explained) is that quite often, electrical harnesses will become damaged and...

Hi Cassi. Thanks for sending us a message tonight. Yes, the P-0171 OBD-II trouble code (https://www.yourmechanic.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn) indicates a lean mixture issue, which will impact the pass/fail of most emissions tests. Depending on where you live, any check engine light or...

It is possible that something has broken inside your transmission. I would recommend having your transmission inspected by a qualified transmission specialist to determine the exact cause of this issue.