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Q:

Fuel Injector replacement cost on 2001 Ford Ranger

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Check Engine light comes on, goes off. Ford mechanic says fuel injector need replacing. Also, Check Gage light stays on, (Oil pressure sensor replaced, now off) Ford computer evaluation & codes showed all cylinder's firing after replacing all 8 spark plugs, however, truck dies at slow idle.
Q: Will Fuel Injector repair problems?
Best guess for estimated cost to repair & replace as described above?
(1) Answer
If you can post what code is being set now, that would help. And as I understand it, the problem now is that the engine is idling low and stalls?
The first thing to do for a low idle speed is check the idle valve, they get dirty and cause a low idle speed, and will cause the engine to stall. Sound familiar?
Let me know what you find out, based on your information, I don't think you have a bad injector.