Diagnosing the misfire issue on an old Lexus LX470.

• The 1998 Lexus LX470 was purchased for $3,500 and has over 300,000 miles.
• The vehicle has misfire symptoms without any engine codes; it requires a deep scan due to older communication protocols.
• Data shows no actual misfires; potential issues could be oxygen sensor heater circuit or rich fuel mixture due to possibly clogged injectors.

Using injector cleaner to address the Lexus LX470's roughness.

• After adding an injector cleaner into the fuel and driving the vehicle, improvements in fuel trims and smoother engine performance are observed.
• The AT-205 Re-Seal product is used to clean the fuel injection system, significantly improving the vehicle's running condition in a short drive.

Addressing a Honda Accord owner's concern about potential transmission issues.

• The 2013 Honda Accord exhibits juddering on acceleration, leading to suspicion of a transmission problem.
• Diagnostic analysis shows no transmission codes but reveals low alternator voltage and charging issues.
• The actual problem is identified as a weak battery, not a transmission fault.

Investigating a clunking noise from the front end of a Toyota Camry.

• A pre-owned Toyota Camry makes a clunk noise in the front when cold; the dealer suggests expensive control arm replacements.
• Inspection reveals no structural problems with the suspension, control arms, or bushings.
• AT-205 Re-Seal is applied to the rubber bushings to rejuvenate them and potentially eliminate the noise.