H1C1 Install Service
If swapping distributors isn't solving your code 4, 8, and 9 CEL, this is probably what you need! This purchase is for labor, parts, and return shipping of your ECU.
Typical labor time is 1-3 days based on our shops work load at the time of your ECU being delivered. If you would like to confirm if your OBD1 ECU is eligible for modification please send us an email and we will be happy to help!