Exhaust Gas RECIRCULATION (C-7): Notes
There are 3 types of EGR systems used: pulse width modulated backpressure EGR (positive and negative) with a control solenoid, pulse width modulated backpressure (positive and negative) EGR without a control solenoid, and digital EGR. To determine EGR system usage, see EGR SYSTEM IDENTIFICATION .
EGR SYSTEM IDENTIFICATION
| Application | System Type | Solenoid Type |
|---|---|---|
| 3.8L | Digital | N/A |
| 4.9L | BP/EGR | Normally Open |