mazdaspeed fuel injector wet test compression|port injection fuel correction : solution looks like it's just the plastic that's a little banged up flow test would be the real tell as to how that injector is doing. Awafrican , Mar 18, 2021 #13 301 Moved Permanently. nginx
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My compression tester checked out fine. I pulled the injectors again and verified their seating and sealing correctly. This might be an issue with my engine. Cylinders 1-3 are .
when you see low compression in a test like that, a quick check for cause is to squirt a little oil into the cylinder and re-run the test. if the compression goes up, its rings. if .Oil consumption prompted me to get a compression and leakdown test done, which confirmed I had oring failure. Cylinder 3 was the culprit
looks like it's just the plastic that's a little banged up flow test would be the real tell as to how that injector is doing. Awafrican , Mar 18, 2021 #13
Low compression on cyl 3 is notorious. Could an issue with the rings. Try doing a wet test and see if the compression comes up. As for high comp on cyl 4, could be carbon. . ACDelco X66P Fuel Injector and Upper Engine Cleaner - 16 oz . JohnnyTightlips . the number one resource for all things Mazdaspeed! Forums > Mazdaspeed 3 Section (2007 .Test leaking Fuel Injectors.. Fuel injector leak testing should be done under operating pressure. The average DIY fuel injector cleaning project and most automotive repair shops does not have the proper diagnostic equipment or the ability to test leaking injectors or clean them properly. It is suggested that you have your leaking fuel injector sent to Injector RX for . Yesterday, I pulled the fuel injectors and replaced cylinder 2 injector with a brand new one, and it still throws the p0302 code. I even put in one of the spark plugs from the old set (from a cylinder that wasn't misfiring) and still have the issue. . Repeated the compression test wet and the numbers didn't change at all. . the number one . Testing the engine compression on your Chevrolet or GMC 4.8L, 5.0L, or 6.0L engine is not hard to do. A compression test will help you to determine the health of your engine by measuring the pressure of the air that gets compressed by the .
In this way, a wet compression test helps diagnose low-compression problems. And since my compression levels were all fine, there didn't seem to be any reason to do a wet compression test. I checked the compression because: 1) I was replacing the plugs anyway; 2) I've been gradually running hot (on my gauge) and wanted to rule out a head gasket . The cylinder with a lower compression will measure a minus value, say for example, the leaking valve compression test might be 480 on a good cylinder and might be 333 to 350 for a dead one; it wouldn’t be barely noticeable in the vehicle. But this would record the result of around -1.8/- 2.0 give or take on the injector feedback values.
Is this normal, could it be a valve or injector seal Share Add a Comment. Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. . Keep an eye on it but if the compression didn’t go up on the wet test then you’re ok. Reply reply
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Read this 2006 Mazdaspeed6 review and road test from the auto experts at Sport Compact Car Magazine . given the complexity of the ultrahigh-pressure direct-ignition fuel system, remains. In a . Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 Fuel, NOS, Meth, & Water Injection > The DISI-MZR fuel system (Warning: Science Heavy) . (per injector) vs the listed injector flow number in yellow at the top. Negative numbers here mean that the injector is capable of flowing more fuel than the HPFP can supply, positive numbers mean .ˆ MAZDASPEED MX-5 MIATA ˘ ˜ Engine type 1.8-liter DOHC IHI Turbo Charged inline-4 Horsepower, SAE net 178 @ 6000 Torque, SAE net 166 @ 4500 Redline 6,500 RPM Displacement (cc) 1,839 Bore x stroke (mm / in) 83 x 85 / 3.27 X 3.35 Compression ratio 9.5:1 Fuel system Multi-port electronic fuel injection Minimum fuel requirement Premium unleaded .
The fuel injector is located directly in the cylinder and every time the spark plug fires it sees a tremendous pressure spike. Working with fellow enthusiast Scott Chambers, cp-e is proud to introduce the solution. . Mazda OEM Fuel Injector Mazdaspeed 3 2007-2013 | Mazdaspeed 6 2006-2007. MSRP: 2.70 1.22. Add to Cart. Mazda OEM. Mazda . Still same cylinder misfire. Did compression check on cylinder. Was good. Next step. Look at your plug. The color will tell you what is going on. Mine was kind of dry and white. Not enough fuel. Removed fuel injectors. Cylinder two was caked. Couldn't even see the spray holes. Replaced fuel injectors, installed Corksport seals, cleaned valves . So you have a 100cc injector running 50% and get 50cc of fuel per minute. Now you change nothing except putting in 200cc injectors.. So you have a 200cc injector running 50% (Because you cant change a stock ECU) and you get 100cc of fuel per minute and the car does not RUN. Congratulations, you just accomplished the opposite of modifying a car.
2010 Mazdaspeed 3 Long-Term Road Test. 2010 Mazdaspeed 3 Long-Term Road Test. . ENGINE TYPE: turbocharged and intercooled DOHC 16-valve inline-4, aluminum block and head, direct fuel injection. So I decided to run a compression check. Wet and Dry. First I did the dry test. Numbers came out like this :90-60-60-90 After performing a wet only cylinder 1 came up very slightly. The rest stayed the same. I wasn't sure the compression tester was working correctly so I performed another one and the test results were exactly the same.
PRE-CAT or cat. I have a 2006 Mazda 6 V6 3.0 litre. A code of P0304 which is a misfire for cylinder 5 came up. After changing spark plug, fuel injector, coil, fuel tank and fuel pump it still came up (compression also .
Ok guys so I got a chance to do a compression test this weekend and also mess with my injectors. Ill list my compression readings first and then talk about my findings on my injectors. Compression Readings. Drivers side front to back. 2. 300 psi 4. 400 psi 6. 300 psi 8. 390 psi Passenger side front to back. 1. 350 psi 3. 300 psi 5. 340 psi 7 .A compression test can be used to compare the compression of one cylinder to the others. An engine's cylinders need a good seal between the piston rings and the cylinder walls and between the valves and their respective seats. Wet Compression Test Diagnosis. The results of a compression test can be quite telling. Worn valves, valve seats and valve train normally cause uneven compression. If only one cylinder has low compression, a burned exhaust valve, broken valve spring or broken piston rings are indicated. Dry/Wet Compression Testing – The classic wet/dry compression test is intended to detect worn piston rings by comparing cranking compression .
For over 2 years my car has not been running well. Almost all the sensors have been changed, map sensor, crankshaft sensor, turbo, boost leak test, compression test, internal tank pump, hpfp pump, at least 20 different maps etc . I have attached a journal to this post. Currently I am in e50 mix mapping. Mazdaspeeds.org, the number one resource for all things Mazdaspeed! . ACDelco X66P Fuel Injector and Upper Engine Cleaner - 16 oz . JohnnyTightlips, Mar 7, 2019 #1. Like x 4; KingScumbag Greenie Member. Joined: Feb 10, 2016 . Had compression test done 200-190-150-180. They said when they added oil to cyl 3 compression increased. 123k . The fuel pressure appears to be in order and the fuel pressure relief valve appears to be functioning properly too. . Do a compression test wet and dry, and report the numbers. The_big_dill, Nov 18, 2020 #2. virtualsurfer . then the most probable candidates are an injector, injector seals or compression. Hope this is helpful to some of you. I just figured I would make a little video giving a general idea on how to compression test your engine in your mazdasp.
This time I put in NGK G-Power plugs gapped to 0.026-0.028 and added in fuel injection cleaner (lucas) into the tank. I also bought 1 new coil for Cyl 2. Seem to run fine for a day then it started misfiring again in Cly 2. I took the car to TORK on Wednesday this week to have them diagnose the issue and fix it. While there: Compression test done.
Next, we will do wet compression testing and record those readings. HOW TO DO A WET COMPRESSION TEST. The test is basically the same as before. But, this time you are going to squirt about one teaspoon of 30-weight engine oil, into the spark plug hole. WARNING: Do not use more than a teaspoon of oil, or you’ll get a false high compression . Since the compression test involves getting right inside the cylinder itself, we don’t need the spark plugs firing of the cylinders getting filled with fuel. On most vehicles, this is as easy as finding the fuses that correspond to your ignition coil and fuel pump and simply removing them from the fusebox with a pair of pliers.
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mazdaspeed fuel injector wet test compression|port injection fuel correction