Garage Gurus | How to Validate a Wheel Speed Sensor Circuit with a Signal Generator
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By Counterman
Standard Motor Products Inc. (SMP) announced expanded coverage in multiple engine sensor categories. Advanced internal combustion engine systems such as variable valve timing and turbocharging depend on timely, accurate data from multiple sensors. SMP said its engine sensors are designed for accuracy, speed and durability, and each sensor is tested and validated for performance in extreme conditions.
Engine Sensor Categories and New Part Numbers
link hidden, please login to view engine sensor categories include camshaft position sensors, crankshaft position sensors, battery current and voltage sensors, mass air flow (MAF) sensors, manifold absolute pressure (MAP) sensors, coolant temperature sensors, throttle position sensors and fuel pressure sensors. Recent part number additions have expanded these categories. MAP sensors have been added for General Motors vehicles through the 2025 model year, as well as Ford vehicles such as the 2021 through 2025 F-150, 2018 to 2023 Transit Connect and 2021 to 2024 Bronco. MAF sensors are new for 2.2 million Lexus and Toyota vehicles, as well as Cadillac cars and SUVs through 2024. Coolant temperature sensors were recently introduced for vehicles such as the 2020 to 2023 Chevrolet Silverado and 2021 to 2023 GMC Yukon.
Multiple battery current and voltage sensors were recently added, introducing coverage for the 2020 to 2025 Nissan Sentra, 2018 to 2024 Jeep Wrangler, 2019 to 2023 Kia Soul and 2019 to 2025 Lexus ES300h. Additionally, engine oil level sensors have been introduced for more than 6 million Toyota and Lexus vehicles through the 2025 model year.
Testing and Validation
link hidden, please login to view said its engine sensors are subjected to extensive testing in the lab, on actual vehicles and at the end of the line to ensure quality. Camshaft and crankshaft position sensors undergo vibration testing for 48 to 68 hours on multiple planes for durability and are chamber tested from minus 40 °F to 257 °F for accuracy in all conditions. They are then validated on actual vehicles to help optimize the performance of fuel injection and variable valve timing systems. Each sensor is end of line tested for timing, pulse width and signal amplitude. “Standard offers thousands of precision engineered sensors in multiple categories, providing our trusted partners with the industry leading coverage they expect from us,” said John Herc, vice president of vehicle control marketing at SMP. “But we do not just stop at coverage; we design and test our engine sensors specifically for accuracy, speed and durability to keep modern vehicles operating as intended.”
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By NAPA
Daison Pursley and the
link hidden, please login to view No. 9 team officially kicked off the 2026 High Limit Racing season over the past two weeks, competing in six races across Las Vegas Motor Speedway and Central Arizona Raceway. Following an offseason focused on building chemistry and speed, the Kasey Kahne Racing team entered the year with momentum and immediately showed promise against a strong field of competitors.
The High Limit season opener at Las Vegas Motor Speedway marked the first points-paying events of the year, and the NAPA No. 9 ran consistently inside the top 10 throughout the three-night weekend.
On Thursday, Pursley qualified eighth in Flight A and advanced to a 12th-place finish in the feature after starting 15th. Friday brought one of the team’s strongest performances of the weekend, as Pursley qualified third, ran up front in the heat race, and drove from ninth to sixth in the A-Main.
The weekend concluded Saturday with another solid showing as the NAPA No. 9 qualified third once again and advanced from 13th to 10th in the feature. The consistent results to open the season positioned the team well in the early championship standings and reinforced the speed shown throughout the offseason.
The team carried that momentum into Central Arizona Raceway for the Cactus Classic, where Pursley delivered a standout performance on Thursday night. After qualifying 10th in a stout, 31-car field, Pursley advanced through his heat race and charged from 10th to a third-place finish in the A-Main, earning the first ever podium for the NAPA No. 9 team.
Friday and Saturday presented challenges, as the team continued to show speed but was ultimately sidelined by incidents in both feature events, resulting in a pair of DNFs. Despite the setbacks, the pace of the NAPA No. 9 remained evident throughout the weekend.
The NAPA No. 9 team now turns its focus to the next event at Vado Speedway Park in New Mexico on Tuesday as the 2026 High Limit Racing season continues.
Start / Finish:
Thursday, March 12, Las Vegas Motor Speedway: 15 / 12
Friday, March 13, Las Vegas Motor Speedway: 9 / 6
Saturday, March 14, Las Vegas Motor Speedway: 13 / 10
Thursday, March 19, Central Arizona Raceway: 10 / 3
Friday, March 20, Central Arizona Raceway: DNF
Saturday, March 21, Central Arizona Raceway: DNF
Points Standing / Total: 11th / 281 pts. (-125)
Next Race: Tuesday, March 24, Vado Speedway Park, Vado, NM
How to Watch or Listen:
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link hidden, please login to viewDaison Pursley: link hidden, please login to view
Kasey Kahne Racing: link hidden, please login to view The post
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