Hyundai Tech Tip: Throttle Position Sensor Driveability Symptoms
The Throttle Position Sensor (TPS) output signal is an important input for both the engine and transaxle control modules. A malfunctioning TPS may result in numerous symptoms being present.
Hyundai Tech Tip: No Movement in Drive or Reverse
If you’re servicing a Hyundai with no movement in drive or reverse gear, use the following procedure to correct the problem.
Tech Tip: Subaru Cylinder Head Installation
The AERA (Engine Rebuilders Association) Technical Committee offers the following information regarding cylinder head installation for 2002-’05 Subaru 2.0L DOHC EJ20DT engines. This information is somewhat unique and should be referenced any time a cylinder head is re-installed.
Tech Tip: 2000 Honda Odyssey Drifts to the Right
If you encounter a 2000 Honda Odyssey that drifts to the right at highway speeds, the probable cause is uneven front caster or camber settings.
Tech Tip: Toyota Vehicle Skid Control
Some 2000-’01 Toyota Avalon vehicles equipped with the Vehicle Skid Control (VSC) System may exhibit "VSC" and "VSC OFF" lights on (DTC C1301/42) in conjunction with a MIL "ON" (DTCs P0440, P0441 and/or P0446).
Tech Tip: Updated Routing of Volvo O2 Sensor Wiring
New routing has been developed for oxygen sensor wiring on 1997-’98 Volvo 850 models, S70/V70/C70, to prevent contamination from reaching the probe’s reference air. If one oxygen sensor is replaced, the new adapter wiring must be installed for both sensors.
Subaru Tech Tip: Correct Axle Ratios
The customer has brought his vehicle in complaining about a shudder when turning (rear axle binding). He tells you that the problem has occurred since the transmission or rear differential was changed. This could be caused by an improper front-to-rear axle ratio match.
BMW Tech Tip: Noise When Turning the Steering Wheel
Some owners of E38s, E39s and E53s may complain of a squealing, groaning or grinding noise when turning the steering wheel.
Subaru Tech Tip: Replacing AWD Rear-Wheel Bearings
When replacing rear-wheel bearings on 1994 all-wheel-drive Legacy, Impreza and SVX vehicles, be certain not to over-torque the lateral link bolt that secures the two transverse suspension arms to the wheel bearing housing.
Honda Tech Tip: Rough Idle and/or DTCs P0171, P0174 or P1171
Select Honda vehicles may experience intermittent rough idle and/or the MIL is on with DTC P0171 (Fuel Trim System Lean Bank 1), P0174 (Fuel Trim System Lean Bank 2) or P1171 (Fuel Trim System Lean During Acceleration). If normal troubleshooting procedures haven’t resolved the problem, it may be caused by a cracked intake manifold gasket(s).
Kia Tech Tip: Start Motor Fails to Engage/Blows Fuse
Some 1998 Sephia models produced before May 7, 1998 (A/T equipped vehicles) or May 2, 1998 (M/T equipped vehicles) may intermittently experience a condition where the starter motor fails to engage and blows the 15-amp start fuse. This condition is usually worse when the outside air temperature is high.
Tech Tip: With Inflation-in-a-Can, ‘Temporary’ is the Operative Word
Even for the most skeptical motorists, inflation-in-a-can is a valid answer to experiencing a flat tire at the wrong time in the wrong place. But there are many caveats that must be followed explicitly when connecting a can of sealant and quite a few psi to the valve stem.