Installation Time
(approx) 10 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
Eckler's Catalogs Available Now!
Throttle Performance Switch (85-91 Corvette C4)Find parts that fit my vehicle
Item EK-25-105908-1
Our Price
$149.99 each
Military, Medical & First Responders
$7.50 Available in EK Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- TPS Voltage At Wide-Open-Throttle (WOT) Is A Function Of Power Enrichment (PE)
- If Voltage Is Below A Certain Point At WOT, The ECM Will Reduce Power Enrichment Causing Reduced Engine Performance
- Enhances TPS Voltage At 70% Throttle To Ensure Maximum TPS Voltage And Maximum Percentage Of PE
- Corrects For Low Sensor Voltage And Dead Spots In The Throttle Range
- Includes LED Indicators To Verify Correct Operation
- Not Compatible With Drive-By-Wire Equipped Engines
- Weight: 0.25 lb
- Fits 1985-1991 Corvette C4
Description
Throttle Voltage Enhancer. The Throttle Performance Switch for 1982-1991 enhances throttle position sensor voltage to improve engine power enrichment. It increases TPS voltage at 70% throttle, helping the engine deliver maximum power without loss. This device also eliminates throttle dead spots by correcting low sensor voltage, optimizing throttle response.
Construction and Appearance. Housed in a compact, durable enclosure with visible LED indicators for operation monitoring. The module integrates directly with the existing throttle sensor wiring and features a durable black textured finish suitable for automotive conditions.
Installation. Installation requires basic automotive wiring knowledge and involves direct connection to the throttle position sensor wiring. No drilling is necessary, ensuring a secure and clean installation.
Application. Designed specifically for 1985-1991 Corvette C4 models. Not suitable for vehicles equipped with drive-by-wire throttle systems.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Throttle Performance Switch
5.0
Customer Reviews (1)
Questions & Answers
No questions about this product yet.
Ask the First Question
