1999 Ford Crown Victoria "clean pass scanner" Questions

...scanner and it said cylinder 5 was misfiring so they took the plug from 5 and switched it with 6 and told me to drive it for a couple of days and when i came back cylinder 4 was misfiring its only ...

pass the test. It is a gas additive. Then since oil vapors are drawn into the engine to burn, clean semisynthetic oil will have less contaminants. Do an oil change and new Air filter before testing. I

...pass smog yet it is running clean. mechanic states he has to checkodes? is this expensive and what could be wrong any suggestions? Checking codes is an Industry standard description for checking the ...

pass emissions. Testing center's scanner says car was recently worked on and that the mileage driven since is not enough to recycle check engine light. The ck eng. light has not come up in over a year

...pass the test. You need a better diagnosis of your potential problem. The onboard computer in your van will not Code every problem and has to be showing a "check engine" light to display any problem. ...

...scanner says p0442 P0442 Evaporative Emission Control System Leak Detected (small leak) . That code is for the fuel system the system performs a pressure test when the vehicle reaches a certain speed ...

pass smog. Check engine soon light shows up after egr valve,air filter,pcv valve, and evap purge valve has all been replaced. Received codes p0443 p0402 & p1409 are what came up when we took it to

...pass a self test, but won't sweep when tested with a scanner. A lot of these motors you buy online. Not hard to replace. Yours is soldered on the board. There is no difference in any of the motors on ...

SCANNER SAYS REAR SPEED SENSOR MPH WORKS BUT ABS SERVICE LIGHT IS ON What you may want to try is to clean the sensor. The ABS also includes the front wheels too. I also have a 1999 F150 which is built