Q: It has a bad miss and back fires sometimes I have changed the spark plugs and fuel filter what else could it be

asked by on July 04, 2016

It has a bad miss I have changed the plugs and the fuel filter still missing what else can I try it is a 1992 bmw 325i

My car has 280000 miles.
My car has a manual transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

What should I know about checking tire pressure?
The amount of air in your car’s tires is more important than you might realize. It can affect everything from the life of your tires to how your car handles on the road, your fuel economy and much more. It’s...
Alternator not grounding on 2000 BMW 323Ci
Hello. If this occurred right after the accident, then I would check the ground connections on the battery first. If they are fine, then the wire going from the battery to the alternator needs to have a voltage drop test...
Car will not start and interior accessories are disabled. 1998 Saturn LS
Hey there, thanks for writing in about your 1998 Saturn LS. This sounds like you have a short somewhere in the electrical system. I would start by testing the power supply to each of the various components or first try...
Car battery keeps draining - 2000 Acura TL
Hello. If the battery keeps draining, then it is likely that there is some sort of electrical short somewhere. When the power is switched off, there should be no power to the battery. If a wire breaks, however, and it...
Stalls at random times while driving
Hello, thank you for writing in. From what you describe it would appear that your vehicle may be experiencing some sort of electrical issue. The check engine light, as well as a few other lights, should all light up when...
2c9d code and misfires on the cylinders 4, 5, and 6.
Hi there. The oil could have gotten on the spark plugs causing the plugs to not fire. Take out the spark plugs and see if they are covered in oil. If they are clean them off with carburetor cleaner and...
What does it mean when your charging system failure light comes on out of no where while driving?
Hello, thank you for writing in. The vehicle is detecting an issue with the alternator or the battery. When supplied power from the system is too low or too high, the monitoring system will alarm you. You should have the...
I recently had my radiator, fan assembly, and thermostat replaced and cooling system flushed on my 2004 Chrysler Pacifica. Prior
Before the overheating problems were fixed you may have leaked out some freon and would need to have pressures in the system checked to see if it is low on freon refrigerant? If it is low then have system recharged...

Related articles

A Buyer’s Guide to the 2012 BMW 1-Series
The The 2012 BMW 1-Series, which includes both the 128i and the 135i in both a coupe and convertible options, provides the perfect combination of power, performance and luxury. Designed with a focus on thrilling acceleration and a smooth, elegant...
A Buyer’s Guide to the 2012 BMW X6
The The X6 is a study in identity crises. While the sleek fastback styling and cozy interior suggest a sporty coupe, the hatchback and SUV platform speak to a weak attempt at imitating a wagon (without the roomy passenger capacity)....
Top Automotive News & Stories: October 1-7
BMW i5 images leak, an ultra-lux Jeep, hydrogen-fueled Colorado ZH2, Fisker's electric future, record plug-in sales, NHTSA Road to Zero, and more.