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The FuelTech Peak & Hold 2A/0.5A is a 4-channel current-controlled driver for low impedance fuel injectors with 3 to 7 ohms of resistance. It sits between the ECU and the injectors, giving them a high opening current and a lower holding current so they open quickly without overheating. It's offered in three current ratings; this is the 2A/0.5A version.
| Driver | Injector impedance | Example capacity |
|---|---|---|
| 8A/2A | Below 1.5 ohm | FT Injectors; up to 16 Bosch 160 lb/h (4 per channel); 8 Siemens low impedance (2 per channel); 4 MSD low impedance, 2 ohm (2 per channel) |
| 4A/1A | 1.5 to 3 ohm | 8 Bosch 160 lb/h (2 per channel); 4 Siemens 83 lb/h; 4 MSD, 2 ohm |
| 2A/0.5A | 3 to 7 ohm | 4 Bosch 160 lb/h |
Set a multimeter to the 200 ohm range and touch the leads together to record their own resistance (for example 0.3 ohm). Then measure across the injector terminals and subtract the lead reading (for example 4.8 - 0.3 = 4.5 ohm).
Low impedance Billet Atomizer injectors made after November 2012 need the 8A/2A regardless of measured resistance. Billet Atomizer injectors with serial numbers before C300**** (made before November 2012) should only use the 4A/1A.
All standard non custom made to order items are eligible for return within 30 days of purchase. To request a return purchaser must email us or call to request Instructions on how to proceed with returning an item. Upon receipt of your return you will be issued a return within 3-5 business days. Any custom order items will only have 7 days from the date of purchase/payment to request a cancellation/refund. Beyond that time frame you will be issued a refund up to 30 days from purchase minus a 20% restocking/cancellation fee. All refunds will be issued in the same form as your payment was made/ If you purchase via PayPal your refund will be via PayPal etc. Buyer is responsible for all costs associated with the return of an item as far as shipping/freights go. All items must be return in NEW unused condition. Any damage to the item with be due a 20% minimum restocking fee. Exchanges for product defect or warranty will not incur any restocking charges and shipping charges will be credited as well.
