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Questions tagged [air-intake]

The point at which air enters the intake tract of a motor vehicle or stationary engine

4
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1answer
89 views

1991 BMW E30 - knocking when put into 1st

I knew I had a minor vacuum leak, but it got worse all of sudden while at a stoplight. In trying to get through to the next block, the engine started to knock. (My guess is preignition thanks to the ...
0
votes
1answer
60 views

High rpm on neutral but flatting the gas pedal on D doesn't increase the rpm

I am making this question as an update to my previous question . I am not sure if updating that question will draw attention to it or keep it buried in the sea of questions here, if it gets updated ...
6
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0answers
153 views

How much oversize should you target when choosing a throttlebody?

This is in addition to my previous question about throttle bodies. I know it may sound a bit subjective, but I think it has a clear technical aspect, and I have done a considerable amount of homework. ...
2
votes
0answers
187 views

China yy50cc qt-6 scooter fires up but when throttled it will choke out and stall

I can't get it to fully open wide and run. 2013 model, any help would be great. P.S. had a 80 cc modification done and also the jets were upgraded as needed. I'm thinking all my air hoses are out of ...
1
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0answers
38 views

Could a vacuum leak cause a drop in manifold absolute pressure?

I've been doing some reading and speaking to a mechanic trying to diagnose a hesitation and rough idling issue. I think I've ruled out a vacuum leak by spraying flammable gas around the seals and not ...
1
vote
0answers
102 views

Driving through a puddle

I have already asked a question on this board but I have another question. Sorry I am not good with cars so I don't know the lingo.I have a 2017 Chevy cruze. I drove through a deep puddle at about 40 ...
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0answers
655 views

Calculate Intake Manifold Absolute Pressure from MAF Engine using OBD Data

I need to calculate Intake Manifold Absolute Pressure from OBD Data. I have Toyota Corolla GLI 2010 Model. This car has MAF engine which does not return Intake Manifold Absolute Pressure. Where'as I ...
0
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0answers
4 views

2000 Toyota Echo with manual transmission has air intake box rattle

On startup and when I run the air when the engine shakes a little we hear a rattling sound. If I hold onto the air (where the air filter is located) I don't get the rattling sound. I removed and ...
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0answers
47 views

Diesel intake heater DIY

I am the owner of an older 3.0 liter diesel car and winter mornings are quite painful for both me and the car. Even though thermostat is fine, heating takes forever. I know diesel only heats up while ...
0
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0answers
33 views

How does one know if engine has been damaged due to dirty air filter?

Recently looked at a car and it had a very dirty air filter. When changing the filter we saw a dead fly and straws where it should have been no dust or dirt at all i.e. after the filter. As soon as ...