Question about 1992 Honda Prelude

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After the fuel injectors were cleaned and fuel filter replaced the honda is runing rich. what can this problem be?

Posted by Shu-aib Paulse on

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Anonymous

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Probably a very dirty air filter and Mass Air Flow (MAF) sensor. Replace your air filter, and clean your MAF sensor with MAF cleaner. You can find it at any auto parts store. Disconnect your battery for about 10-15 minutes to reset your computer. This will allow the computer to "re-learn" the settings with clean injectors and air filter.

Posted on Apr 11, 2010

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2answers

1991 Nissan terrano TD27 smokey low power

Black smoke is rich fuel (lean) have the fuel pressure regulator checked the internal rubber diafram will repture and cause the to happen
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04 chrysler pacifica cylinder missfire 1,3,5

DTC P0172 - System Too Rich (Bank 1)
Basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.

Note: This DTC is very similar to P0175, and in fact your vehicle may show both codes at the same time.

You will more than likely not notice any drivability problems, although there may be symptoms such as a misfire.

A code P0172 may mean that one or more of the following has happened:
The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
There could be a vacuum leak.
There could be a fuel pressure or delivery problem

Possible solutions include:
Inspect all vacuum and PCV hoses, replace if necessary
Cleanthe MAF sensor. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
Inspect fuel lines for cracks, leaks, or pinches
Check the fuel pressure at the fuel rail
Check the fuel injectors, they may be dirty. Use fuel injector cleaner or get them professionally cleaned/replaced.
Check for an exhaust leak before the first oxygen sensor (this is unlikely to cause the problem, but it is possible)

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.
0helpful
1answer

04 chrysler pacifica cylinder missfire 1,3,5

Hi there:
DTC P0172 - System Too Rich (Bank 1)
Basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.

Note: This DTC is very similar to P0175, and in fact your vehicle may show both codes at the same time.

You will more than likely not notice any drivability problems, although there may be symptoms such as a misfire.

A code P0172 may mean that one or more of the following has happened:
The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
There could be a vacuum leak.
There could be a fuel pressure or delivery problem

Possible solutions include:
Inspect all vacuum and PCV hoses, replace if necessary
Cleanthe MAF sensor. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
Inspect fuel lines for cracks, leaks, or pinches
Check the fuel pressure at the fuel rail
Check the fuel injectors, they may be dirty. Use fuel injector cleaner or get them professionally cleaned/replaced.
Check for an exhaust leak before the first oxygen sensor (this is unlikely to cause the problem, but it is possible)

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.
0helpful
1answer

04 chrysler pacifica cylinder missfire 1,3,5

Hi there:
DTC P0172 - System Too Rich (Bank 1)
Basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.

Note: This DTC is very similar to P0175, and in fact your vehicle may show both codes at the same time.

You will more than likely not notice any drivability problems, although there may be symptoms such as a misfire.

A code P0172 may mean that one or more of the following has happened:
The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
There could be a vacuum leak.
There could be a fuel pressure or delivery problem

Possible solutions include:
Inspect all vacuum and PCV hoses, replace if necessary
Cleanthe MAF sensor. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
Inspect fuel lines for cracks, leaks, or pinches
Check the fuel pressure at the fuel rail
Check the fuel injectors, they may be dirty. Use fuel injector cleaner or get them professionally cleaned/replaced.
Check for an exhaust leak before the first oxygen sensor (this is unlikely to cause the problem, but it is possible)

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day
0helpful
1answer

88 honda accord lxi hard time starting like it not getting gas but when it starts at high idle it will run ok and then it will die

CHANGE AIR FILTER AND FUEL FILTER THEN CLEAN FUEL INJECTORS,CHECK SPARK PLUGS SEE IFTHEY ARE BLACK SOOT ON THEM.MORE LIKELY SPARK PLUGS GETTIN FOULED OUT DUE TO CLOGGED LEAKING FUEL INJECTORS.CLEAN FUEL INJECTORS.POUR BOTTLE OF SEAFOAM TO 3/4 TO FULL TANK OF GAS
1helpful
4answers

PO172 system too rich bank 1 for my Honda pilot 2007 comes up how do i rectify this fault?

Hi,
You need to have the fuel pressure checked, if this is ok you then need to check the valve clearances and once this is done then have the DTC rechecked.
If the P0172 code comes back then you need to check injector pulse timing and then replace the faulty injector.
Let me know if you need more information.
Thanks
0helpful
1answer

[email protected] says fuel too rich. Could that be a fuel

Have the fuel punp pressure tested. If ok Look to the injectors, sounds like they are dribbling or out of calibration. You will need to go the a specialist to have the injectors cleaned, calibrated or replaced.
0helpful
1answer

Runing too rich and black smoke

did you upgrade any of your fuel system components? if not you might want to at least check out the fuel sending unit and pump motor... you may be pumping the amount of fuel that the old engine wanted but your new engine doesn't quite want that much.. hope that helps
0helpful
1answer

Running rough

Hi, runing rough can be caused by several things, you can start by checking the simple ones first, fuel filter, air filter, spark plugs, add a good injector cleaner and leave the car runing for some twenty or thirty minutes ,if it dosnt change,you may get the injectors cleaned by a pro shop.....good luck....
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