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Engine running rich

STOPED AT LIGHT AND TRUCK STALLED RESTARTED AND IT WOULDNT IDEL RUNNING VERY RICH

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  • 65 Answers

You could have a dirty or clogged air filter which would send a signal to the computer to add more fuel.

Posted on Feb 09, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 548 Answers

SOURCE: check engine light - 240 enfgine running rich

It could be a number of things but must be diagnosed via computer code check. If you are unable to do so yourself, find a reputable Volvo mechanic. It could be the air mass meter, a bad O2 sensor or something related. Mine turned out not to be the air meter but a bad ground wire going to it. Didn't find out until $400.00 later.

Posted on Jan 25, 2009

  • 124 Answers

SOURCE: 2000 ford taurus bank 1 and bank 2 running rich

it sounds like the O2 sensors need replaced. bank 1 is the left side and bank 2 the right

Posted on Mar 23, 2009

wikkidd420
  • 96 Answers

SOURCE: running rich and stalls.

Sounds like it is most likely a sensor in your intake system, either mass airflow, air temperature, or map sensor. Autozone and Advance both pull the codes on your truck for free. I have a 93 Eclipse that did the same thing with a hole in the intake tube, so check that too. Hope this helps :)

Posted on May 10, 2009

66 chrgr
  • 1011 Answers

SOURCE: 1985 ford f150 with 5.0 EFI running very rich

Check you coolant temp sensor ,If it is bad it will be reading{ 40 degrees below zero }and this will cause a rich condition due to the computer thinking it is that could outside, which requires more fuel .:)

Posted on Sep 22, 2009

iambanshee74
  • 3489 Answers

SOURCE: '93 D21 ka2.4. miss fire,surge, and runs rich

sounds like you have a very dirty mass air flow meter. invest in a new one and be sure to clean the throttle body with an appropriate cleaner and tooth brush.

Posted on Nov 03, 2009

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My 91 laser will idel fine then warms up a bit and dies out! Then I have to give it fuel to start it again, then it runs rich and dies out again


Is the check engine light on? This can lead you to the source of the problem with a code scan test. Is it 4 or 6 cyl? Make sure the EGR valve is not stuck open as this will definately make it run rich and idle/stall. Common on the 6cylsfor a higher mileage engine.

May 18, 2015 | Cars & Trucks

3 Answers

My 2003 chevy truck 1500 with a v6 runs good 15miles and after that it starts missing and like something holding it back


IF the "check engine" or "service engine soon" light is on. You can take it to most any auto parts store to get the codes read.

Better yet would be to find someone with an actual scanning tool to see what all of the sensors are reading.

IF there is no check engine or service engine soon light on then it could be quite a few different things wrong.

A plugged catalytic converter is a possibility. Another item that i ran across on 3 different vehicles within a day was a bad coolant temperature sensor. All 3 vehicles ran fine when 1st started, but then slowly started to "load up" or run rich. REAL rich.

Turned out on all 3 vehicles there was NO check engine/service engine soon light but after hooking up the scanning tool all 3 showed the coolant temp sensor was reading -40°!!

Yup, the computer was being told the engine was at 40 BELOW zero. The computer took that info and adjusted the fuel/air mixture and timing to help the engine warm up.

While the engine warmed up, the sensor kept saying it was 40 below and made the engine run rich.

This MAY be the problem, but without a scan tool it's hard to say.

Hope this helps.

Feb 19, 2015 | 2003 Chevrolet Silverado 1500

1 Answer

Feul running rich 2001 ford windstar


Running Rich or driven rich-- by pcm for a lean condition ?

Leaking Injectors--- rich
Failed O2 Sensors ---lean or rich
Vacuum Leaks--- lean driven rich
& more

Mar 02, 2013 | 2001 Ford Windstar

1 Answer

Raw fuel


Is your check engine light on?
Your truck is running rich(obviously), I'm wondering if your CEL is on because it will come on, if the O2 sensor/s are bad.
And that would make your truck run rich(upstream sensors)

May 23, 2012 | GMC Sonoma Cars & Trucks

1 Answer

Running rich its has new plugs the fuel press reg


MANY THINGS CAUSE RICH FUEL MIXTURE.FUEL INJECTORS.MASS AIR FLOW SENSOR AND BAD OXYGEN SENSOR.

May 24, 2010 | 1996 Nissan Maxima

2 Answers

1985 ford f150 with 5.0 EFI running very rich


Check you coolant temp sensor ,If it is bad it will be reading{ 40 degrees below zero }and this will cause a rich condition due to the computer thinking it is that could outside, which requires more fuel .:)

Sep 22, 2009 | Ford F-150 Cars & Trucks

1 Answer

Running rich and stalls.


Sounds like it is most likely a sensor in your intake system, either mass airflow, air temperature, or map sensor. Autozone and Advance both pull the codes on your truck for free. I have a 93 Eclipse that did the same thing with a hole in the intake tube, so check that too. Hope this helps :)

May 10, 2009 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

1997 gmc k1500 runs really rich


Hi there,first of all you must synch the cam/crank sensors. To do this put the engine on top dead center remove the distributor cap and look very closely at the dist housing there will be a 6 mark and an 8 mark loosen distributor and rotate untill the rotor points directly at the 8. The marks are small so get a light and look closely.Clear codes and restart. Is vehicle still running rich?

Apr 17, 2009 | GMC K1500 Cars & Trucks

1 Answer

1997 gmc k1500 seems to be running rich, very rich


If the engine is trying to flood, it will kill the engine. If you have the spider fuel system, it is noted for problems.
If it cranks good but won't start, have a helper crank it while you check for spark at the spark plugs. If spark everywhere, use a gage and check proper fuel pressure, also, check fuel injector pulse.
I don't know if this may be a problem? below
camshaft retard offset-1jibdyka02hdyoscptb5vkje-3-0.jpg

Mar 21, 2017 | GMC K1500 Cars & Trucks

1 Answer

94 dodge truck,318 engine,standered,1/2 ton,


Have you run a self test? any codes, with those it can help resolve issue of rich run.

Aug 28, 2008 | 1996 Dodge Ram 1500 Club Cab

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