94redranger
New Member
- Joined
- Aug 15, 2007
- Messages
- 211
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- Age
- 33
- Vehicle Year
- 1994
- Make / Model
- Ford
- Transmission
- Manual
Hi I was wondering about the fpr and how it works exactly. I know it limits the pressure to a set amount before going to the injectors but how does it do that exactly? As well how can I test one of these units? thanks