Q: Wont start what is the firing order

The most common problem with this condition is a faulty crankshaft position sensor. It is located near the transmission and controls ignition timing. if this is bad you may have the engine stall and will not restart. I would recommend...

It can be difficult to determine which fluid is leaking as transmission oil and engine oil eventually turn black if they have not been serviced. Power steering fluid is another common fluid leak most cars experience. A technician must first...

Sorry, but there is simply no reliable quick fix for a blown head gasket. I am not a fan of "mechanic in a can". They rarely work, and when the do, it doesn't usually last very long. Many sealants work...

The engine may have a shorted spark plug (https://www.yourmechanic.com/services/spark-plugs-replacement) that is shorting the coil (https://www.yourmechanic.com/services/ignition-coil-replacement) out. I would recommend replacing the spark plugs first then replace the coil pack if it continues to not start. If you need help with...

This is typical of a bad idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement). An idle air control valve allows the engine to idle properly by allowing the proper mixture of air and fuel at idle speed. This can also happen when there...

Hi there. Tune-up is an outdated phrase that has no true meaning for today's vehicles. Today's vehicles have maintenance schedules that list what needs to be performed at time and mileage intervals. There are many resources available online that may...

Hi there - since your radio is an RDS model, you will to have a GM service center unlock your RDS radio (https://www.yourmechanic.com/article/how-to-unlock-a-chevrolet-theftlock-radio-by-jason-unrau). RDS radio models cannot be unlocked with the procedure you mention.

The term "rear main seal" normally refers to the crankshaft rear main oil seal. If that is the seal you are referring to, improper towing would have zero effect on that seal. Furthermore, if that is the seal you are...

A malfunctioning EGR system may cause excessive raw fuel emissions, that is an odor of gasoline, but not smoke (white or otherwise) from the exhaust. Some smoke at start up can be normal, particularly white smoke from condensation. However, continuous...