“Running lean” - the opposite of running rich - means your vehicle has too little fuel and too much air in each combustion chamber. Most of the time, the problem can be fixed by cleaning the MAF sensor's wires. When it overestimates the airflow, the PCM releases too much fuel. It can't measure airflow accurately, therefore sending incorrect information to the PCM.
These issues can happen when the MAF sensor is damaged or when its wires are coated with dirt. Signs that your vehicle is running rich include: “Running rich”means there is too much fuel and not enough air in each combustion cylinder. If you experience any of these symptoms you should examine your vehicle as soon as possible.
These issues can create dangerous situations causing accidents and injury. This could happen while speeding up on the highway on-ramp or cruising down a city street. You’ll experience this as poor drivability such as hesitations or sudden jerking motions, particularly during acceleration. Stalling, jerking, or hesitation during accelerationĪ bad MAF sensor can cause too much fuel to be left in the combustion chamber, creating untimed detonations. There are 3 key signs that may indicate it’s time to examine your MAF sensor. This causes the engine computer to miscalculate the amount of injected fuel, causing additional damage to your engine.
A contaminated or failed mass air flow sensor cannot measure the amount of air flow correctly. And, I assume that there might be better deals out there, too.The mass air flow (MAF) sensor, part of your vehicle’s electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. I only got $15 off, but I've seen $25 offered since then. Just a hint: wait a few days before you get yours from AutoAnything.they alternate daily coupons and you can end up getting a few more bucks off if you choose your day correctly. I must admit that the price was actually worth the gains-even though I have yet to see an increase in fuel economy. They assured me that the part was genuine and that they in fact rework new GM parts into PowrFlo units.Īnyway, for the performance: I can notice a little more power, no increase in fuel efficiency, and a computer correction in the calculation of my MPGs skewed from my CAI. When I opened the sealed box from Jet and the MAS said AC Delco with 'jet' nowhere to be found, I was on the phone asap to tech support. I got a Jet PowrFlo MAS for my Pontiac G6 to top off the CAI and exhaust. Reviewed by John H (Farmington, AR) Reviewed for a 2006 Pontiac G6 - 17:12:12 Overall, I like the MAF sensor and it just costs a little more than an OEM sensor, so if you have to buy a MAF sensor, might as well go performance part. I decided to spurge and got a little more performance out of it since I already have the other upgrades on my truck. But if you had the same engine trouble I had, do what I mentioned earlier and you save some money by not having to buy another MAF sensor. I still installed the JET MAF sensor for the little extra low end torque and I'm keeping the OEM MAF sensor just in case. Afterwards, everything worked like a charm. I also cleaned my OEM MAF sensor with some CRC MAF Sensor Cleaner (don't use carb cleaner or other harsh cleaners). While I was awaiting the part, I decided to clean the throttle body intake with CRC throttle body cleaner and thorough clean my CAI (only oil the outside as too much oil can cause MAF and other issues - CEL (check engine light)). At first I thought my OEM MAF sensor was bad because of rough idle / stalling, so I bought this sensor. Especially if you have a CAI (Cold Air Intake) and if your ride is chipped or has a performance tune. If your OEM MAF (Mass Air Flow) sensor has went bad, and you like putting after market performance parts on your ride, I would go with this JET MAF sensor. Reviewed by Thomas B (Brighton, MI) Reviewed for a 2003 GMC Sierra - 18:04:50
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