Question about 2003 Chevrolet Cavalier
So all your saying is you never Googled the
OBD Code PO171 & have no idea what it is
or what to do
The fuel filter has no ties to any sensor & you change
it every 3 or 4 years
Any product you buy like injector cleaner is a waste,
16 oz in a 18 gallon tank of fuel. Ask yourself Diluted
like that, what would that do,ever see that recommended
buy any manufacture,nope
How about studying OBD Systems & get up to speed
What about the 171 code & changing front oxygen sensors
every 100,000 miles or component test yours,check for vacuum
leaks,smoke test the intake,check fuel trim,do something to actually find out why you have a fault code
Why has any time passed since the MIL lamp came on?
You diagnose all check light issues the next day, with any
vehicle problem,only been 30 years or more since we got
check lights on all vehicles
Posted on Jul 18, 2013
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Posted on Jan 02, 2017
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