RUNS ROUGH Questions

Runs Rough, Will Not Go Past 4,000 RPMs?

1996 MERCURY MYSTIQUE
Car Starts And Runs But Has No Power Sounds Rough And Engine Won't Go Over 4k Rpms. The Only Warning, I Had That Something Was Wrong Was...
3 ANSWERS
Asked by MOTZAMAN

Rough Idle When In Gear Not Driving And Loss Of MPG?

2011 FORD F-150
The Truck Idles Rough When Stopped And In Gear. The Truck Has Had The Following Recently Replaced. All Spark Plugs, Mass Flow Value, Evap...
3 ANSWERS
1 IMAGE
Asked by dmbuiw@gmail.com

When Driving The Car, When It Gets Warm It Keeps...

1998 OLDSMOBILE 98
The Guys That Are Trying To Fix Our Car Are Mechanics. They Have Changed Different Parts That Was Thought Could Be The Problem But Turned...
3 ANSWERS
1 IMAGE
Asked by Terri Gratton Laberge

Code 7b?

2003 BMW 325I
Runs Rough And Had Several Misfire Codes. Deleted All Code Now Still Have Code 7b Related To Thermostat. And Now Started It Again And...
3 ANSWERS
6 IMAGES
Asked by Bhamdoc1973

Engine Intermittently Runs Rough?

1990 NISSAN 300ZX
My Car's Engine Started Running Rough While At A Stop Light. After I Parked For An Hour And Restarted The Car, It Ran Fine Going Home....
3 ANSWERS
1 IMAGE
Asked by Rod300zx

The Car Still Runs Rough And Has Died On My Wife

1994 NISSAN ALTIMA
According To Computer Code, I Replaced The Knock Sensor.that Code Is Cleared Now And Computer Is Reading Good. However, The Car Still Runs...
1 ANSWER
7 IMAGES
Asked by jehrc

Idle Rough, Tries To Shut Off When Stopped?

2012 KIA SOUL
Why Does My Vehicle Listed Above Idle Rough, Try To Shut Off When Stopped So Have To Put In Neutral, Pull Back Like It's A Manual. When...
1 ANSWER
Asked by Kimm75

Code 0121?

2000 SUZUKI VITARA
Runs Rough At Times, Erratic.
1 ANSWER
3 IMAGES
Asked by bobshorty

VVT Code And Rough Running Engine

2012 LAND ROVER RANGE ROVER
Bought This Car Knowing It Has Few Issues. But Drives Great And Engine Is Smooth When I Started It And Drove It To The Gas Station And Back...
1 ANSWER
14 IMAGES
Asked by Bhamdoc1973

Rough Running?

1997 CHEVROLET CAMARO
I Replaced Plugs Wires And Tps, It Ran Good For A Short Time, But Then Started Acting Up And Now I Can Smell Gas. When It Shifts It Starts...
1 ANSWER
2 IMAGES
Asked by Dustinkim