Question about Acura Integra
How can you fail more than once?
After you fail, you go to a repair shop &
resolve ALL Vehicle issues
Then the shop road tests until all 8 I/M Monitors
run clear ,or there is no reason to go back to inspection
knowing your going to fail.
The problem is the shops & peoples inability to explain
what they need taken care of.
If you never work on the vehicle for years,then you don't
go to inspection,it is a given you will fail
Spark Plugs-every 3 years
Check for Cylinder Misfires
Always install a New Air Filter before inspection
Always install new fresh full sys oil before inspection
Oxygen Senors get replaced every 100,000 miles
Have to road test with professional scan tool & look at
all data,check monitors,fuel trim,O2 etc & check for codes
You have to spend the money to evaluate the vehicle, to see
if it is ready to go for inspection,not many are,their just driven
Rich could be-- O2 Sensors,Dirty MAF Sensor,Vacuum Leaks,
Injector Leaks & more,I have seen a dirty air filter fail a car
Posted on Mar 27, 2014
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Posted on Jan 02, 2017
Sounds like the O2 sensor. Post the smog test results (if you have it from the exhaust). When the O2 sensor fails the exhaust doesn't get recycled (reburned) so it goes out the exhaust. With more oxygen the fuel burns better,.
Posted on Jul 24, 2009
NOX is created when the internal combustion temperature gets to high.The egr system uses burnt exhaust gases to line to cylinder walls.The purpose of this is decrease internal combustion temperature therefore reducing the amount of NOX created.Would look to a possible egr malfunction usually they will trigger the check engine light but not always.The 4.3L has been known to have issues with carbon buil up in the egr and the egr pintle not open and closing properly.
Posted on Jun 07, 2010
first thing to do is change the air filter. even if it appears clean, the airflow can be blocked enough to affect the petrol air ratios in the engine which will give high HC readings.
changing the spark plugs can give a cleaner spark, and better ignition, with lower HCs. high HCs could also be caused by traces of oil getting through worn piston rings and valve stem seals and burning in the combustion chamber. there are many oil additives that can help stop this and reduce HC levels as well.
hope these suggestions help
Posted on Aug 28, 2011
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