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AEM EMS-4 Universal Standalone Programmable Engine Management System 30-6905
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Description:
OVERVIEW
AEM’s EMS-4 Universal Standalone Programmable Engine Management System is the ideal standalone Engine Management System for modified Powersports and four-cylinder race car applications. The EMS-4 was created using AEM's powerful Series 2 hardware and includes all of its advanced features without the unneeded ancillary components.
WHY YOU WANT THIS
If you have modified your four-cylinder Powersports application beyond the factory ECU’s ability to control engine operation, or have a 4-cylinder race vehicle that does not require some of the advanced hardware features of an AEM Series 2 Plug & Play System, AEM’s EMS-4 provides complete engine control for the maximum power and reliability.
THE HARDWARE
AEM’s EMS-4 provides complete engine control for small engines with up to 4 cylinders. The unit includes a 36-pin connetor that is specifically designed to operate in harsh environments. It is completely sealed and weather/shock proof, allowing it to be mounted anywhere. The EMS-4 works with MAG or HALL crank inputs and can directly drive smart coils or an external ignitor such as AEM’s 4-Channel Coil Driver (part # 30-2840).
 
| Injector/ Coil Outputs |
| Injector Outputs (8 ohm minimum, High Impedance Only) |
4 Saturated |
| Coil Triggers 0-5V Falling Edge Fire (Do not connect to coil primary) |
4 |
| Timing Sensor Inputs |
| VR (Mag) Cam Input |
1 |
| VR (Mag) Crank Input |
1 |
| Hall VSS Input |
1 |
| Hall Crank Input |
1 |
| Hall Cam Input |
1 |
| Inputs/Outputs |
| GPIO - 1.5A Low Side Output / 0-5V Analog Input / Switch Input |
4 |
| GPIO - 1.5A Low Side Output / 0-5V Analog Input / PWM Output |
4 |
| O2 Sensor Input 0-5V Analog |
1 |
| Knock Sensor Input Programmable |
1 |
| Throttle Position Sensor Input 0-5V |
1 |
| Manifold Pressure Sensor Input 0-5V |
1 |
| Coolant Temperature Sensor Input 0-5V |
1 |
| Inlet Air Temperature Sensor Input 0-5V |
1 |
| Sensor Ground |
1 |
| 5 Volt Reference |
1 |
| Communication |
| USB comms |
Yes |
| Communication cables included |
Yes |
| Fully enabled editing/logging software included |
Yes |
| CAN bus equipped with Programmable Send / Receive |
Yes |
| CAN data stream output |
32 ch |
| DATA Acquisition |
| Internal data logging |
8 MB |
| Maximum internal logging rate (per channel) |
125 Hz |
| PC logging |
Yes |
| Data analysis using AEMLog |
Yes |
| Functions and Features |
| User adjustable knock sensor center frequency |
Yes |
| Individual cylinder ignition trims |
Yes |
| Individual cylinder fuel trims |
Yes |
| High/Low speed fuel pump support |
Yes |
| All channels/maps/tuning options unlocked |
Yes |
| Boost control |
Yes |
| Groundspeed based boost target |
Yes |
| Nitrous injection |
Yes |
| Staged injection |
Yes |
| Ground speed limiting |
Yes |
| Rate of Acceleration Control |
Yes |
| Overrun boost enhancement (anti-lag) |
Yes |
| Gear change ignition cut (shift-without-lift) |
Yes |
| Password protected calibrations |
Yes |
| Fuel & Ignition rev limiters |
Yes |
| "In cockpit" global fuel trim capability |
Yes |
| Gear dependent shift light |
Yes |
| Evap/Purge function |
Yes |
| Software definable "virtual" switch inputs |
Yes |
| EGT Based fuel trims (additional hardware needed) |
Yes |
| Maximum boost limit |
None |
| Physical Dimensions |
| Length |
120 mm |
| Width |
114 mm |
| Height |
35 mm |
| Finish |
Black |
WARNING!
AEM’s EMS-4 Universal Programmable Engine Management System is legal in California only for racing vehicles which may never be used upon a highway.
Use this system with EXTREME caution! The AEM EMS System allows for total flexibility in engine tuning, however misuse of this product can lead to major engine/vehicle damage. If you are not well versed in engine dynamics and the tuning of management systems or are not PC literate, please do not attempt installation/tuning of this product. For technical assistance, please visit ourforum or visit our dealer locator for a Factory Trained tuner near you. AEM holds no responsibility for any engine damage that results from the misuse of this product!
Buy from TXautoplex with confidence!
- All AEM Electronics parts are 100% New and Sealed In Original Manufacturer's Packaging
- 100% Full Warranty
- TXautoplex is an Authorized AEM Distributor and we stock the inventory right here in our Texas warehouse
*Images are for reference only. Our pictures are not always part specific and may not show you exactly what is included.
*Some AEM Electronic items are for off-road use only and may or may not be legal in your area to use on your vehicle if your vehicle is used on the street.
*If
you have any questions about this specific product, or what is or is
not included, please contact us via the eBay Contact system. We will be
happy to answer any questions you have. We want you to purchase from
us with confidence in our parts and our service.
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Shipping Information and eBay Feedback Request
Shipping Method
For our Continental USA Customers: We typically ship FedEx Ground, UPS
Ground, US Postal Service (USPS) Priority Mail, and USPS 1st Class Mail, 100% at our sole discretion. Due to how the automated eBay system works, sometimes our auction may specify (for example) FedEx Ground. However, we may actually ship your product with UPS or the USPS instead. If you require a specific type of shipping, or a specific courier, please contact us before purchasing this part. We will be happy to work with you to ship as you need.
For our non-Continental USA Customers: We typically ship US Postal Service (USPS) Priority Mail or USPS 1st Class Mail. We typically have flat rate and affordable shipping rates to Hawaii,
Alaska, and all US Territories. Due to how the automated eBay system works, sometimes our auction may specify (for example) FedEx Ground. However, we may actually ship your product with UPS or the USPS instead. If you require a specific type of shipping, or a specific courier, please contact us before purchasing this part. We will be happy to work with you to ship as you need.
For our International Customers: We typically ship US Postal Service (USPS) Priority Mail, USPS 1st Class Mail, FedEx International Economy, or DHL. We typically have flat rate and affordable shipping rates to over 200 countries! We reserve the right to ship via our choice of courier. If you require a specific type of shipping, or a specific courier, please contact us before purchasing this part. We will be happy to work with you to ship as you need.
Shipping Time
Unless our auction specifically states a product is "In Stock", then shipping time can vary. Many items that do not state "In Stock" are in stock. However, some are not. If you need an item urgently, please contact us before you purchase via the eBay system so we may check stock before you purchase. Most items, but not all, that are in stock will ship the same business day your payment clears via Paypal, or the next business day, unless other indicated. Again, we ship within 1 business day of you pay with Paypal and the payment clears Paypal. If you choose to pay via Paypal with a check, bank withdrawal, or certain other Paypal methods, Paypal may not clear your payment for days or even a week or more. This is Paypal's policy - not ours. We have no control over their policies. Both Paypal and eBay inform us, as the seller, not to ship your product(s) until Paypal has cleared your payment.
Normal transit time for our 48 state USA customers is 1-4 business days, depending
on how far you are from the warehouse we ship from. We ship from warehouses ranging from California to Texas, from Florida to Pennsylvania. When possible, we ship from the warehouse closest to your location.
For our International customers, shipping time varies based on the shipping method we use, the country you are located in, and any unforeseen Customs delays that we have no control over. On average, shipping time for our International customers is 1 to 2 weeks, but this is an average, not a guarantee. If you need an item urgently, please contact us before you purchase so we may check availability and discuss your shipping time / shipping options.
Quantity on Hand / Quantity Available
Quantity on hand is subject to change at any given time. We sell in three different markets which consists of a combination of eBay, multiple retail websites, and wholesale / business-to-business). Items on hand change very often and the eBay auction Quantity Available listed may not be accurate. Due to the rapid pace we may not always have the physical stock. Items out of stock will be shipped from a distributor or directly from the manufacturer. Keep in mind that each manufacturer and/or distributor have their own shipping terms and policies that both the buyer and the seller have to abide by.
Back Orders
If a back order occurs, the buyer will be contacted as soon as we are notified by the manufacturer of such delays. An ETA provided by the manufacturer will be relayed to the buyer and the buyer will be given options to determine if he/she can or cannot allocate the extra time needed. A refund is only granted when both parties involved reach a mutual agreement. In the rare occurrence that an item is discontinued, the buyer will be notified immediately (as soon as such information is confirmed with the manufacturer). The buyer will be given multiple options. The options consist of superseding such item(s) with a replacement (if such options/replacements exist); otherwise the buyer will be granted a refund in full based on a mutual agreement among both parties.
Warranty
All products we sell are 100% covered by their normal manufacturer's warranty when you purchase from us. For a free electronic copy of the manufacturer's specific warranty terms please contact us via the eBay system. We have been in business since 1999, and are here to assist you before, during, and after your purchase. In the rare event you have any issues with your item, please contact us and we will be happy to facilitate the warranty process and help you through it.
Returns
Please see our Return Policy in this auction for our most updated Return Terms and Conditions.
eBay Feedback
We expect
to earn POSITIVE feedback from you. We expect to earn FIVE STAR
ratings from you. If you have had a NEGATIVE experience with us for
any reason, please contact us BEFORE you leave feedback. We will do
everything possible to remedy anything that has gone wrong and make
you happy!
Please leave us FIVE STAR service ratings, and if for any reason you feel we have not earned FIVE STAR ratings on ALL LEVELS, please contact us BEFORE you leave feedback so that we may
attempt to resolve any issues!
Contact Us
Please contact us via the eBay contact system. We typically respond
the same business day, or at most within 1 business day.
We are closed weekends and all major USA Holidays. Please keep this
in mind when you contact us and are waiting on us to respond.
Our business hours are Monday thru Friday from 10am to 7pm Central Standard Time (CST).
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Payment Terms
We require that all payments be paid through PayPal (you do not need a PayPal account to pay). This allows you to pay with any credit card, debit card, bank account, or your Paypal balance!
Your address must be confirmed. Buyers who pay with unconfirmed addresses will not be accepted. Those that purchase with an unconfirmed address will be contacted and will be asked to cancel their bid; a refund in full will be issued. We refuse to service Paypal unconfirmed shipping addresses to prevent fraud on eBay.? We do this at the recommendation of both Paypal and eBay.? We are following their policies on how to best protect both us, the seller, and you the buyer.
Payment must be made within 7 days of purchasing item.? Thank you for looking at our item, and we do hope to do business with you.? Please contact us with ANY QUESTIONS OR CONCERNS you may have!
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