Last edited by Artofkicking; 03-24-2017 at 10:50 PM. I did a ton of research, spent like $800 + to get the gasket and all associated parts I'd need to replace to fix the issue (turbo oil lines, exhaust manifold gasket... etc. So, I am left with the fact that I would have to place the car in "non-op" status at the DMV.
On the airbag sensor... waiting on more. This is not true, and lead sto many expensive mafs being replaced needlessly. It is not revving properties. With the maf unplugged, the car hauls ass. A leak in the air intake system can also cause the MAF sensor to give false readings, which can cause the engine to run rich. Car won't run with maf plugged in a new. You have one that runs over the exhaust manifolds, one that runs from the steel lines in that same area down under the intake manifold between runners 5 and 6 or something, one that runs from the steel lines to the FPR under a heat shield on the left side of the car, and a larger one from the intake manifold next to the throttle body towards the firewall and runs again down to the FPR. If you let off the throttle, it falls on its face and bucks. The noise seems to be coming from the IAC as I can feel the vibration when the IAC is touched. When I unplugged it and started the vehicle, it started, ran for a few cranks, and died. Additionally, driving without a mass airflow sensor can trigger the check engine light. Valheim Genshin Impact Minecraft Pokimane Halo Infinite Call of Duty: Warzone Path of Exile Hollow Knight: Silksong Escape from Tarkov Watch Dogs: Legion. I used the cigar trick and couldn't find the crack in my mom's stupid Mercury Mariner's stupid two-piece trash intake manifold because the leak was under it. 'Usually' any MAF reading over 20gk/h at idle is going to be pointing to the maf. As the engines warms a little I am able to plug in MAF and continue running but a lot of hesitation when accelerating gets worse as running temperature is reached (Slightly left of center gauge).
If it doesn't, then you know you need to look at one of the other sensors. If the computer is not able to properly adjust the air/fuel mixture, it could cause the engine to run only when the MAF sensor is unplugged. This can be fixed by cleaning the sensor with a special cleaning solution. If there is a leak in the air intake system, it can cause the engine to run lean. Finally, there could be an issue with the engine computer. This means that if your mass airflow sensor dies completely, then your car will stay running and surprisingly the car might run better without the mass airflow sensor. I rechecked everything. There is no one magic number, if there was the maf wouldn't be needed. Heck, I even went ahead and replaced the cooling fan with a direct MINI replacement. Car won't run with maf plugged in a new window. So as you can see disconnecting the mass airflow sensor is actually a good way to test a variety of things. Next is the PCV system: stupid air pressure equalizer rail thing, valve cover, and I think the dipstick tube and one more thing all have plastic hoses that go under the intake manifold to the oil separator. Multisurface-Legacy Posted March 29, 2018 Share Posted March 29, 2018 (edited) 1999 Subaru Legacy 30th anniversary edition 5 speed MT ej22 Car starts, runs for a few seconds, then dies, will not idle. Last but certainly not least the car came with a bent rear rrently being straightened at the shop.
Tried pumping gas while starting car, caused motor to sputter, buck and die. How do I fix a car that only runs when the MAF is unplugged? The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected into the motor. Building tomorrow then hopefully I make some better progress on the fix. Yes, reset and then read again after running a little. So I thought I had a bad maf sensor, and I bought a brand new unit. It isn't able to use the tables programmed in it to guess the amount of fuel needed. 99 Legacy won't run with MAF connected? - 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX. MAF can be suspect too. It is a purely informational code that will not turn on the light. Your car has a lot of sensors, and this is just one that helps your car run properly. Meanwhile feel free to chime in with your thoughts. It measures the amount of air flowing into the engine and provides feedback to the engine control unit (ECU). All genuine MINI parts), put the car in maintenance mode and went to town.
7) Visual inspection nothing looks out of place. 98:precat o2 sens disconnected cyl #1-3. BTW: Car is completely stock with 116k miles. If it does, then you know it was that sensor. I was driving my R56 one day and I got an engine temp warning.
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