Sunpro CP8210 Electrical Air Fuel Ratio - Black Panel

I used it to check and calibrate my Chevrolet Kadett (Brasilian make) and the product fit and work great.

Haven't installed yet but looks better in person than pic.

Neat little gauge, Looks pretty good and install was easy. Instructions were easy to fallow.I wouldn't rely on it. As a previous review stated it's mostly a light show I'm sure it's reasonably accurate but its readings are vague aka if your looking for something to give you some really good info... get a wideband.

I bought one of these for my grand prix,easy to put in but did not work.I called the sunpro helpline to firgure out what was wrong,they said it was a bad internal ground.So I sent it back and ask for anothor one.When I got it had the same problem, sent it back and got a refund this time.[By the way the problem ground makes the gauge read rich with car on or off nonstop]

Received what was expected! Extremely happy for my purchase and ever more happy with the price I paid. It's a bargain!

This is a pretty good starter air fuel raito gauge. It seems to be pretty acurate and very easy to install. well worth the price!

If you want to know that your stock o2 sensor is generating the rich to lean voltages nescessary for the cars computer-fuel control, this gauge will display the rapidly changing fuel states with rapidly blinking indicator lights, which can drive the eyeballs batty during night driving.The lights will not give a precise air/fuel mixture; but if they are swinging back and forth, an assumption can be that the average is around the stochiometric (14.7:1)air fuel mixture.

Easy to install (87 Dodge Lancer), easy to read, a very nice entry-level A/F gauge.