Car Running Too Rich

By Ra_Mattie257 25 Apr, 2022 Post a Comment

If anything was wrong you would know. Resulting in poor engine work.

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It smells so bad that when I shut down the engine I have to keep the garage door open for a while or it stinks up the inside of the house.

. Possible causes of a car running rich. Defect in the oxygen sensor. The oxygen sensor couldnt care less about unburned fuel in the exhaust streamthe sensor is designed to.

If I drive it for 30 minutes or more in warmer weather the idle and engine firing starts to act funny. Heres the problem-- The exhaust STINKS. Possible causes of a car running lean.

Bring the gas down some. To prevent further loss of fuel car manufacturers use sensors to control the fuel-air mixture. Running too rich cd_three I would check timing first its free to check it.

My recommendation would be to dyno the car with your tuner to see where you stand AFR wise. I am around 115-117 AFR and the back end of my car usually gets a fine black mistpowder when I run it hard which to me indicates a little rich. If you didnt know the proper fuel to air mixture should be 1471.

Also driving at 20MPH in 1st and 2nd the car misfires really badly. Running rich at idle is controlled by the choke fast idle and idle mixture screw slow idle. The spark plugs will be a better indicator of a lean or rich condition if you know what you are looking for.

The catalytic converter consistently functions to remove any co2 emitting from the exhaust. An engine that runs rich wont necessarily make a change in sound but youll be able to smell it. It would start but cough choke and splutter then cut out.

Running rich is not good for the engine as it builds up carbon deposits on valves and pistons that destroy the engines performance. Car running too rich--it STINKS. When its goes bad youll get a erratic idle or your call will stale.

Also a IACV allows a small amount of air to pass the throttle plate and enter your motor when at idle so you dont stale. Low level of fuel. Actually im HOPING the problem is that its running rich.

Running rich is typical for cold start ups but quickly ceases once the oxygen sensors warm up because the engine closes the fuel loop and burns fuel to air in the right proportions. Spark Plugs Are Clean Or White. Restarted fine then same story.

If you turn the car off and come back to within a short period the car seems as it doesnt want to run in lower gearing and at idle. If it is definitely running rich then the solution is to check the carb again and if necessary replace the needle valve and float. It means you are spending lots of fuel while driving.

However your spark plugs will become either too clean evidenced by a lack of normal color or white when your engine is running. It is not easy for your car to maintain this ratio. So any defect in them will cause the car to run rich or lean.

Heres the car-- 1967 289 4barrel autolite 4100 carbat standard single point ignition. If your engine mixture is too rich the spark plugs will build-up black soot at the bottom. If your car was running so rich it was a problem you would notice black smoke and your plugs would go bad and cause missfiring and hessitation once a month.

Your problem sounds like timing to me. The firing ends of the sp. Defective mass airflow sensor.

Spark plugs are generally a brown or grey color which is caused by normal ignition. When it fails and there is too much fuel getting in the engine for combustion we say your car is running rich. Your cars computer will set the code when it determines that theres too much fuel or too little oxygen in the engines air-fuel mixture.

Damaged Spark plugs. I started the car today and it ran fine i left it idling for a few minutes Anyway it cut out. The engine basically dumps too much fuel and too little air into the engine.

Diagnostic trouble code DTC P0172 stands for Fuel System Too Rich Bank 1. An engine that runs too rich at idle will cause the plugs to be fuel-fouled leading to a vehicle that is harder to start cold. What controls the calibration of your idle circuit and off idle circuit which is also known as the transition circuit if your idle air bleeds which should be around the 070 size and are the bigger outer air bleeds and also the biggest thing that controls how rich or lean your idle circuit is the idle feed restrictors in the metering blocks and I know most likely you have 033 in.

If you notice engine running rich symptoms this means that too much gas is being produced leading to impure air quality and a low emissions level. Bring the gas down some. A rich mixture would be the float too high either as a result of the setting or the needle valve leaking.

Damaged engine coolant temperature sensor. I only removed the 4 spark plugs on the drivers side of my engine. I think that my car may be running rich.

Im pritty sure theres nothing wrong with your engine. When the car is running rich it means that the fuel to air mixture is messed up. Today I am removing the spark plugs on my 2015 Chevy SS camaro.

A common symptom of your car running lean is that your spark plugs are clean or turn white. Car running too rich--it STINKS. Then i kept restarting it and had my foot about 13 way on the pedal.

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