Delco E84 ECU Tuning
Engine control unit used in 15 supported models from 4 makes.
Chevrolet with the Delco E84
- Chevrolet Aveo2011+1.4 16v VVTAutoTuner
- Chevrolet Beat2011+1.0 6v Ecotec, 1.4 MPFIAutoTuner
- Chevrolet Cobalt2011+1.4 MPFIAutoTuner
- Chevrolet Cruze2009+1.4 16v VVTAutoTuner
- Chevrolet Onix2012+1.0 8V MPFI Flex, 1.4 MPFIAutoTuner
- Chevrolet Prisma2013+1.0 8V MPFI Flex, 1.4 MPFIAutoTuner
- Chevrolet Spark2013+1.0 6v Ecotec, 1.4 MPFIAutoTuner
Holden with the Delco E84
- Holden Spark2011+1.0 6v Ecotec, 1.4 MPFIAutoTuner
Opel with the Delco E84
- Opel Astra2009+J, K · 1.4 16v VVTAutoTuner
- Opel Corsa2006+D · 1.4 16v VVTAutoTuner
- Opel Karl2015+1.0 6v Ecotec, 1.0iAutoTuner
- Opel Meriva2010+1.4 16v VVTAutoTuner
Vauxhall with the Delco E84
- Vauxhall Astra2009+J, K · 1.4 16v VVTAutoTuner
- Vauxhall Corsa2006+D · 1.4 16v VVTAutoTuner
- Vauxhall Meriva2010+1.4 16v VVTAutoTuner
About Delco E84 tuning
The Delco E84 engine control unit is supported in 15 models from Chevrolet, Holden, Opel, Vauxhall. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.

All Chevrolet tunes
All Holden tunes
All Opel tunes
All Vauxhall tunes