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running rough

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Question
Car idles rough with AC on - 2008 dodge avenger
Hello, thank you for writing in. There can be multiple problems with the vehicle causing your issues. First, we need to take a look at the drive belt which sends power to the AC system from the engine. When the...
Question
Fuel burns and car jumps when stopped
Whatever is causing your car to run rough is probably also causing it to drink gas. Look under the hood for any vacuum lines that may be off or in bad condition. It's surprising how many problems you can solve...
Question
starter
Hello, thank you for writing in. Even without a check engine light, there may be codes present that will help with this. Scan the vehicle for codes first, and use any present to help guide you. The noises you are...
Question
Car jerks and seems to downshift if i take my foot off the gas over 60mph.
This sounds like the engine is surging from a lean condition. This could be from the add on computer program and exhaust. If you have the programmer then I suggest you set back to factory program and then see if...
Question
I have a 2008 Honda Odyssey and 3 weeks ago my CEL came on and the van started vibrating while idling.
Hi there. Since the check engine light is coming on I would have to scan the computer for codes to see what is happening. It sounds like you may have an intermittent issue. Most of the time this is caused...
Question
2005 Mitusubishi Galant 194,000 miles motor was rebuilt at 161,000. Check engine light came on
You will need to have the wire harnesses inspected to see if there is loose or corroded connections. Since there was water that got into connections it may have corroded connections and when turning it may move the harness and...
Question
Car stumbles at idle but fine when drive or push gas peddle
Hello, thank you for writing in. There are a huge number of components that can contribute to a rough idle. Always start by scanning the vehicle for diagnostic codes regardless of a warning light being on. If no codes come...
Question
Rough running engine also choppy
You may need to have additional diagnosis done by a mechanic like one from YourMechanic to see if the ignition timing is correct and there is no engine vacuum leaks in the intake or vacuum lines. Also to verify all...
Question
My 2001 automatic Miata idles really rough at stoplights when I run the AC, but not when it is off.
Hello, thank you for writing in. Two aspects about the issue lead me to believe the previous technician is correct. To start, the compressor is the only component that will effect the engine, as it is the part connected to...
Question
Car shakes and stalls at a stop or sometime in reverse. No check engine light, no codes. Replaced spark plugs.
It wasn't a bad idea to change the sparkplugs, but at 88'000 miles I doubt that had much to do with the problem. You need to check carefully for air leaks. Any air that gets into the engine without passing...
Question
Nissian Altima engine shaking after coil and plug change
You may have a timing chain tensioner or guides issue. You should try to identify where the noise is coming from and scan the computer to get codes and have a mechanic like one from YourMechanic come to you and...
Question
My car is jerking every time I'm driving under 10mph or when I put it in reverse. And was wondering will my car stop on me
If you have a check engine light on then you may have an engine computer code stored pointing to the problem. You may have a misfire, broken motor mounts or a mass airflow sensor or intake tube leaks. Have a...
Question
My car is cutting out it is an 02 impala and it seems like it is starving for gas. I have replaced the mass air flow sensor, plugs
You should first scan the computer for codes. Diagnose any codes received. The problem sounds like a clogged fuel filter. Replace it if it has not been replaced.Then it can be the camshaft or crankshaft sensors on this engine. ...
Question
I have a 1999 Mazda 626 and when my car is at a red light the car rumbles only with the A/C on. I want to know what the problem may be?
Hello. When the AC is on it puts more of a load on the engine. At idle the engine will have some trouble maintaining a smooth idle when the AC is on due to the extra load. Typically the computer...
Question
Car sounds like it's gonna die and won't accelerate when gas pedal is pushed
The installation of the head gaskets should be checked to see if there is a vacuum leak or the plug wires were put back on wrong. Without inspecting the work that was done would be hard to isolate the cause...
Question
check engine light on
There is a special service campaign from the manufacturer for this problem. Your vehicle may be covered for the repair under service bulletin number 15824-01 dated August 9th 2016. The bulletin covers codes P0010 and P0013 for the intake or...
Question
2015 BMW 750 Lacks Power
There are many potential causes for your concern. If the check engine light is on, (I'm guessing it is) the first thing you'll want to do is retrieve the diagnostic trouble codes. These codes serve as as starting point for...
Question
My ford explorer 2003 is sputtering when RPM goes below 2000 when driving arounde 60 mph
You may have problems with ignition coils or spark plugs or one of the computer sensors. I recommend having a computer scan to get any stored codes that may give a better idea of what is causing the problem. ...
Question
Engine sputters when idle, does not hesitate or sputter when pressing accelerator.
The first thing to check for in any drivability problem is air leaks. Any air that gets into the engine without being measured will lean out the system and cause problems. Look at all the rubber hoses and boots under...
Question
Hi so my car is idling low when stopped even stalled out at light. Also when driving whether accelerating or at constant speed eng
Hello, thank you for writing in. Typically issues like this stem from an issue with an air intake sensor, spark problem, or similar malfunction. Even without a check engine light on, you can still scan the vehicle for diagnostic codes....

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