mayor2013:
Air fuel mixture would be in the wrong proportion (14.7:1). So there the ecu would use the wrong information to inject fuel into the combustion chamber there fore leading to high fuel consumption

HyundaiMechco:
Pls change d hose is not gud

Deprofessional:


Thanks mayor. Like how much will it cost to replace it.

mayor2013:
Air fuel mixture would be in the wrong proportion (14.7:1). So there the ecu would use the wrong information to inject fuel into the combustion chamber there fore leading to high fuel consumption

Deprofessional:
Does this broken hose have any negative effect on the engine?

GAZZUZZ:


not correct.

This is a 1998-2001 toyota camry with a 4cylinder 5s-fe engine

It employs the use of a manifold absolute pressure system for its primary regulation of air fuel ratio.

There is no Mass airflow meter in the design.





engine will suck up air that is not filtered.

The harmonics wil sound a little different.

The positive crank ventilation unit will loose a little efficiency.


Summary get a replacement.

mayor2013:


That's your feeling. Mine is different. Never said in my statement there was a mass airflow Sensor. Don't you fink the value there would be altered when you have ram air entering through that broken intake hose. My take on the above is simple and straightforward sir

GAZZUZZ:


not correct.

This is a 1998-2001 toyota camry with a 4cylinder 5s-fe engine

It employs the use of a manifold absolute pressure system for its primary regulation of air fuel ratio.

There is no Mass airflow meter in the design.






engine will suck up air that is not filtered.

The harmonics wil sound a little different.

The positive crank ventilation unit will loose a little efficiency.


Summary get a replacement.

Inception:


Unmetered air will still knock off the air-fuel ratio balance, which will still cause rough idle, missing and hesitation , asides unfiltered air.
Also obvious would be vacuum leak issues.

unmetered air from? All air still comes in via throttle body.

Infact remove all the plastic piping and run car without the filter box, you will have only unfiltered air.

Dont forget to block off the evap line.

Inception:


Unmetered air will still knock off the air-fuel ratio balance, which will still cause rough idle , missing and hesitation , asides unfiltered air.
Also obvious would be vacuum leak issues.

GAZZUZZ:


unmetered air from? All air still comes in via throttle body.

Infact remove all the plastic piping and run car without the filter box, you will have only unfiltered air.

Dont forget to block off the evap line.

Inception:


Unmetered air will still knock off the air-fuel ratio balance, which will still cause rough idle, missing and hesitation , asides unfiltered air.
Also obvious would be vacuum leak issues . This in fact is what will affect the MAP sensor and will definitley cause incorrect info to the ECU.

GAZZUZZ:


Very unlikely.

Inception:


But don't forget that u need the map sensor for the car to run.
The air comes in as it is. What is really metered is the quantity of fuel supplied via injectors to the combustion chamber.

Unfiltered air, yes. As long as what component removed is before the MAP sensor, then there should be no problem, asides damaging your engine with dirty air.

GAZZUZZ:


lets agree on 1 thing. Map is mounted. On body of veicle and a pipe runs from far end of the intake to the MAP

No sensor on this vehicles design monitors air volume.

Agreed?

Inception:


But don't forget that u need the map sensor for the car to run.
The air comes in as it is. What is really metered is the quantity of fuel supplied via injectors to the combustion chamber.

Unfiltered air, yes. As long as what component removed is before the MAP sensor, then there should be no problem, asides damaging your engine with dirty air.

GAZZUZZ:


lets agree on 1 thing. Map is mounted. On body of veicle and a pipe runs from far end of the intake to the MAP

No sensor on this vehicles design monitors air volume.

Agreed?

GAZZUZZ:


Very unlikely.

mayor2013:


What's the function of the map then? This analysis is quite funny though

Inception:

True. The design actually measures manifold pressure(or would i say vacuum), not volume.

1 down 1 to go.

mayor2013:


Why unlikely. Have seen this cause stalling and rough idling, follow this on a bmw or MB at your own peril

Inception:


But don't forget that u need the map sensor for the car to run.
The air comes in as it is. What is really metered is the quantity of fuel supplied via injectors to the combustion chamber.

Unfiltered air, yes. As long as what component removed is before the MAP sensor, then there should be no problem, asides damaging your engine with dirty air.

LeJeun3:



We have had cases of non functioning map yet car runs fine.....

RR uses MAP and MAF at same time

mayor2013:


Why unlikely. Have seen this cause stalling and rough idling, follow this on a bmw or MB at your own peril

GAZZUZZ:


RR uses MAP and MAF at same time

mayor2013:


Why unlikely. Have seen this cause stalling and rough idling, follow this on a bmw or MB at your own peril

Deprofessional:
Does this broken hose have any negative effect on the engine?

LeJeun3:





Yes... but OP's car in't one na.....

GAZZUZZ:


subject matter toyota camry 1998-2001 5s-fe I4

GAZZUZZ:



Vacuum lines are specic on this model. 1. From throttle body to evap purge valve.

There will be no vacuum leak witout the airfilter box. You will not get a lean mixture code, you will not get a misfire code.

honmusa:

No sir I disagree ,you can get a lean code .
watch

https://www.youtube.com/watch?v=Ino4x5QvKnQ

From the video u can see an evidence of vacuum leak and the engine managment system is still able to detect lean condition even wen the AFS is not even working.
So how come ?
So this just to prove that a speed density fuel management system of a Camry 5s doest not only rely on only map sensor data to maintain the 14.7 :1 air fuel ratio ,there is some other data it takes into consideration,It also takes data from TPS .Map cannot sense unmetered air but ecu will respond to it tru TPS
Vacuum leak in camry 5s engine will cause poor performance issue ,high rpm at idle and high fuel consumption .
Practically,i have gotten many cases of customer complaining of poor performance and high fuel consumption and the sole reason is cause of leaking air duct.