Question about 1997 Acura CL

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98 cl 3.0 v6 egr check engin light

I replace oxygen sensor and cat and muffler and egr and the idle is still rough and gas consumption is still high ant engine rev high and car move slow and estates is my intake malifone need cleaning

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Sound like catalytic converter when it is night time and you have just arrived somewhere quick get out raise hood and look to see red glowing coming from the exhaust manifold.

Posted on Oct 07, 2008

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2 Answers

Where is oxy.sensor


Usually in the exhaust pipe near the engine.
They don't usually cause a rough idle, and the check engine light should be on if you have a faulty sensor.

Mar 21, 2016 | Cars & Trucks

1 Answer

Hyundai Tucson 2009 high fuel consumption


There are a lot of factors that may contribute to high fuel consumption. Does the engine run ok during normal operation? Rough idle? Check engine light on? Have the oxygen sensors scanned for operating information to determine if the fuel system is operating effeciently by a qualified service center. These sensors monitor the effeciency of the fuel system

Oct 04, 2015 | Hyundai Cars & Trucks

2 Answers

Engine runs rough wont idle in drive


1. replaced the air filter
2. replaced the PCV valve
3. inspected the PCV hose and connectors (nothing wrong)
4. ran a tank of gas with fuel injector cleaner
5. tested the EGR valve by pulling the vacuum hose off the top, and blocking the hose. The idle didn't smooth out. I applied a vacuum to the EGR valve manually and the car immediately stalled which tells me that the EGR valve itself is working fine.

Jul 05, 2014 | Ford Focus Cars & Trucks

1 Answer

Rough idle and poor fuel consumption


Sorry guys i was late with my feedback... So here it goes.. I have no check engine light.... Currently running the stock tune as well.. The car has no tps, pcv or egr valve.. It is all controlled by the electronic throttle body which i recently cleaned but didnt help with my problem. I ordered a new fuel pump as well, just didnt get the chance to install it yet. Cant change the fuel filter as it is builtin within the pump. However, shouldnt the fuel pump or fuel filter cause engine stalling, bucking and hesitation? I doubted the fuel pump could be causing this since the problem only occurs at idle. By the way, there is no missing on any of the cylinders.

Feb 18, 2014 | 2006 Pontiac GTO

1 Answer

2002 Ford Escape XLS 3.0L 4WD Firewall side Catalytic gets TOO HOT and melts insides?


Replace all of the ignition coils. You will pay about $450 in parts. That will fix your problem. It fixed mine.

Jan 20, 2013 | 2002 Ford Escape

1 Answer

2002 escape 3.0 idle fluctuates and misfires when driving


No such thing as a tune-up

All you did was replace spark plugs which should be
done every 3 years

Oxygen Sensors get replaced at 100,000 miles which you
also did

You most likely have an intake gasket leak,smoke test
the entire Evap System & Engine

You also are have bad igniton coils

Jan 18, 2013 | 2002 Ford Escape

2 Answers

P0138 and p0158


These codes, po 138 bank 1 sensor 2 shorted to voltage and code po158 means bank 2 sensor two shorted to voltage. these are the two rear oxygen sensors in the exhaust system. there two up frt and two in the rear, check the wiring on the two rear sensors, make sure that the wiring is not cut or stuck between metal. if the wiring is good then replace both rear sensors, when you get them ask for the left and right after the cat sensors. or bk1 s2 and bk2s2. after replacing them reset the computer. go to an auto parts sotre or if you have a code reader you can do it. hope this helps good day.

Feb 19, 2012 | 2004 Dodge Stratus

2 Answers

I have a 1992 nissan sentra that failed the 15mph part of the smog test because of high Hc's and high NOx so what can i do to fix it.


get oxygen sensor checked,maybe get tune up see if engine is leaning off properly,could be air flow sensor,but needs sensors to be checked

Oct 30, 2009 | 1993 Nissan Sentra 4 Door

1 Answer

Engine light was on and engine idles rough.


these O2 sensors are cat convertor check sensors. id be checking cat convertors and hopefully you should try replacing if not all ready is the front bank 2, O2 sensor
if you have scanner can you see fuel trims in data display to confirm high fuel trim only on bank 2 either +-5 or more indicates problem and if bank 2 sensor 2 has fixed high 700mv reading cat no good(warm idling)

Jul 10, 2009 | 1998 Isuzu Rodeo

1 Answer

Ngine over fueling at all rpm, rough idle, heavy fuel consumption


if the car is stock i would replace your oxygen sensor. you may also need to clean out the MAF sensor.

May 29, 2009 | 1995 Volkswagen Golf

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