What repairs cause the check engine light to come on? Also what repairs can be diagnosed with digital scanners?

Asked by Aug 24, 2016 at 03:44 PM about the 2000 Ford F-150 XLT 4WD Extended Cab SB

Question type: Maintenance & Repair

4 Answers

20

Everything an anything

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293,825

Scan the truck for the code or codes.

9,335

Repairs that causes light to come on would be any sensor that was teplaced with the wrong part, parts not properly adjusted or installed, wires or plugs left loose or disconnected. Repairs diagnosed with scanner really depends on scanner being used but if u use agood quality scanner u can do live data meaning ucan actually see the signal being generated by sensors

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Best Answer Mark helpful
65,545

Scanners usually do not tell the operator what part is bad. They show a trouble code for what the problem area might be and if a certain circuit is in our out of spec. It is up to the mechanic to determine which part is defective and in need of replacement. We have not gone far enough in technology for the vehicles to determine exactly what is wrong with them.

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