Shows / Stop Guessing. Prove the Next Move.
Stop Guessing. Prove the Next Move.
Walt, a master tech, and Grem, the Garage Gremlin, work through the test that proves the fault before you buy the part. One fault per episode, one test that settles it, and a plain statement of what the result does and does not prove. New episode every week.
Episodes
- Stop Guessing. Prove the Next Move.
Ghost Codes
A car sets five codes, oxygen sensor, mass airflow, throttle, and not one of them is the fault. Fix one, two more show up. Walt and Grem stop chasing codes and…
- Stop Guessing. Prove the Next Move.
Finding the Drain
The battery is dead every morning, but the battery and the alternator both test good. Something in the car stays awake all night and drinks the battery down…
- Stop Guessing. Prove the Next Move.
The Alternator Killer
This car is on its second alternator in a year, and the second one just tested bad too. Walt shows why the alternators are not the problem: the cables and…
- Stop Guessing. Prove the Next Move.
Voltage Drop Testing
A truck keeps killing starters, and every part on it tests good. Walt runs a voltage drop test on the starter circuit while it is working, and the meter finds…