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- Used for 1-barrel and 2-barrel throttle body injection systems
- Designed to replace defective or faulty sensors
Product Description
This position sensor is used for 1 and 2-barrel throttle body injection systems and is designed to replace defective or faulty sensors.... More >>
Holley 543-3 Throttle Body Injection Throttle Position Sensor
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I found out after replacing this Holley TPS that it is a really common part and is stock on many fuel injected vehicles. Holley will sell you one for the ProJection system and the dealers will sell you a replacement, both for lots of $. I hope you found the part number (543-3) and Amazon before you bought one from those sources!
FYI, this part is also notorious for crapping out when wet. After this replacement arrived in less than a week, I tried the old “burned-out” one and it works perfect after it dried out. I installed the new one and the old part is now in my spare parts kit. It can probably be dried out on a heat register or hair drier quicker too.
Rating: 5 / 5