Q: 2006 malibu not starting, not turning over can hear relay clicking. First time removed battery cables retried car started then ag

Your engine has a cast iron block and aluminum heads. There are ways of repairing cast iron blocks: pinning, flame-spray welding and furnace welding. However, these processes have their limitations and are time consuming. Plus, most repair shops aren't willing...

Yes the exhaust needs to be inspected. Cracked or rusted through exhaust pipes will cause a loud exhaust noise. Also, the muffler could be rusted out internally which will also increase exhaust noise. Loose heat shields are also prone to...

These issues may be related. The battery is basically just an electronic storage device which must be charged regularly by the alternator. A good battery that doesn't stay charged points to a failing alternator (https://www.yourmechanic.com/services/alternator-replacement). A bad alternator can also...

Hi there. There is an issue with the shifter interlock lock solenoid in the shifter housing. The solenoid has lost power or it has been shorted out. Remove the carpeting and get to the shifter housing and remove it from...

This is likely a charging system problem (i.e. alternator or voltage regulator). As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns the...

Hi there. Try performing a snap throttle and see if the wave form changes on the Oscilloscope. If the waves do not change when performing a snap throttle, then the throttle position sensor on the pedal needs replaced. If the...

Hello, thank you for writing in. When your wheels are turned all the way (also known as "clock to clock") there are rubber stops that will protect the wheels from running into body or frame. When the wheels hit this...

Hi There, It sounds like you may have a faulty traction control module. As you know, the traction control system monitors the steering stability of the vehicle and engages when loss of traction has been detected. This is done by...

Hi - GM V8 ignition control modules from 1987 to 1995 should interchange with your '91 5.7L. For assistance, I recommend a ignition control module replacement (https://www.yourmechanic.com/services/ignition-ignitor-replacement) performed by a mobile, professional mechanic, such as one from YourMechanic, who will...