For shipping instructions or questions, please call 302-654-1150. Thanks!
- Leak down test
- Flow test
- Dynamic resistance test
- Verbal diagnostic report
- $12.50 per injector most vehicles
- Minimum 4 injectors, or $50 setup charge
- $5.00 shop supplies fee per job
- Leak down test
- Dynamic resistance test
- Observe spray pattern
- Compare fuel flow cylinder to cylinder
- Ultrasonic cleaning & back-flush injectors
- Re-test to verify balanced fuel flow and correct spray pattern
- Full written diagnostic report (see sample)
Direct Injection Injectors | From $35 each
Side Feed Injectors | From $30 each
Top Feed Injectors | Most $25, including O-rings
Mercury Optimax Air or Fuel Injectors | $35 each, including O-rings
$5.00 shop supplies fee per job
- Basic Performance Testing
-
- Leak down test
- Flow test
- Dynamic resistance test
- Verbal diagnostic report
- $12.50 per injector most vehicles
- Minimum 4 injectors, or $50 setup charge
- $5.00 shop supplies fee per job
- Full Service Testing & Ultrasonic Cleaning
-
- Leak down test
- Dynamic resistance test
- Observe spray pattern
- Compare fuel flow cylinder to cylinder
- Ultrasonic cleaning & back-flush injectors
- Re-test to verify balanced fuel flow and correct spray pattern
- Full written diagnostic report (see sample)
Direct Injection Injectors | From $35 each
Side Feed Injectors | From $30 each
Top Feed Injectors | Most $25, including O-rings
Mercury Optimax Air or Fuel Injectors | $35 each, including O-rings
$5.00 shop supplies fee per job - Sample Diagnostic Report

Don’t put it off any longer!
Local customers are welcome to drop off injectors at our shop. Out of town customers please ship to:
Positive Performance Center
8 South Maryland Avenue
Wilmington DE 19804-1340
Please be sure to enclose a daytime contact number and e-mail address

