Dpfi to mpfi

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Four 4 fuel injector plugs — you can use the ones from the harness that was on your OBD1 engine harness. Tiny screwdriver one that comes in an eyeglasses repair kit available at your local Walgreens, etc. DO NOT use cheap crimp-on wire connectors for making any of the connections. Solder all splices and use heat shrink tubing to help support and protect the splice. Plan on spending about 2 to 3 hours to do the wiring changes. When making the wiring changes, you will end up with a cleaner and more reliable installation if you de-pin and re-pin the wires into the connectors at the ECU, where possible, rather than cutting and splicing them.

Dpfi to mpfi

If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Tech Talk Anything technically related to your vehicle should be posted here. If you're looking to have work done, try one of the Regional Forums. Thread Tools. Finally, you don't have to be messing with that Dual point fuel injection bull crap. How To Install For the Honda Civic and some previous Civics there were two types of fuel injection. One was Dual Point Fuel Injection DPFI which had a system of 2 fuel injectors shooting fuel into a common plenum where the fuel randomly was sucked into whatever cylinder was on the intake stroke at that time. Almost like a glorified carb system. It was good for gas mileage but terrible for performance.

So if you have that problem you know you skipped this step. Follow their instructions for connecting these items at the engine.

Drivetrain DIYs Anything that involves the performance of the vehicle. Thread Tools. Other obvious parts that need replacing i. The first one is the crank angle sensor wiring which is the easy part. The second one is the fuel injector wiring which is slightly more complicated.

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Dpfi to mpfi

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. The previous owner put installed D15B7 engine and 5spd transmission from a 5th gen DX but, didn't swap to mpfi, leaving the old std dpfi setup and its pm9 ecu. I have reed many dpfi to mpfi swap forums but should i get the obd0 4th gen Si parts will they even work with this engine? Sort by Oldest first Oldest first Newest first Most reactions. Much more support for obd1 than obd0. Call and ask. Good luck getting a good junk yard dizzy.

Unblocked geometry dash

The ECU tells the car when to shift. On the TPS plug on the DX harness you will see 3 wires going to it, yellow, red, and green, in that order if you are looking at the top of the clip from left to right on the DX clip. Now when dealing with cutting I will refer to the side of the wire coming from the interior harness as the harness side, and I will refer to the side of the wire coming directly from the ECU's plug direct ECU connection as the ECU side the only plug in question for this step is the ones that go into the ECU. If your wire harness has this, you will need to open up the center console around the shifter to get to that solenoid. Find More Posts by KKtrevor. AVS Forum. Refill the radiator, make sure the line to the fuel rail is extra tight, make sure you remembered to connect your cold air intake back to the throttle body, cross your fingers, and turn the key. The Fuel Injector reference numbers are the same as the Cylinder numbers — 1 thru 4 — with 1 being closest to the timing belt and 4 closest to the distributor,. You will need a few extra pins with a inch length of wire on them in order to make the changes. TomHRD 7 Replies. Send a private message to Patrick.

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Besides that, the DX manifold is the size of a golf-ball and is highly restrictive of airflow. Posting Quick Reply - Please Wait. Find More Posts by julioboostamante. Do a pin swap and you're done. Cylinder Position Sensor Hope this helps some people out! I thought you use a pm6 ecu on autos also. Find More Posts by balisticRc. The stock dpfi connector has 14 pins and the crx si connector has 8 pins so im just wondering what i should do. But first here is a diagram of how the ECU pinouts are numbered, the side you are looking at would be the female side the holes with the wires coming out of the back of it.