I replaced the upper O2 sensor and the coolant sensor ,still got a -40reaging on the diagnostic tester
SOURCE: knock sensor replacement
Turn ignition off. Disconnect knock sensor 3
-
pin harness connector. Locate knock sensor, on cyli
nder block.
On Optima 2.7L engine, sensors are located on both
sides of cylinder block. . Remove knock
sensor from cylinder block. To install, reverse rem
oval procedure.
SOURCE: need to replace knock sensor/ O2 sensor 04 kia rio
IT IS IN THE SIDE OF THE ENGINE BLOCK, SCREWED INTO THE WATER JACKET OF THE BLOCK
SOURCE: kia rio 2002 camshaft pos. sensor just replace still light check
check the belt,if its out it will flag up this code,your car will run on sequential firing from the crankshaft sensor,failing that put an oscilloscope on the signal wire at the sensor and ecu its possible the ecu might not be seeing the signal,start with the basics first
SOURCE: How do I replace the knock sensor on my 2003 kia
On 2003 Kia Rio the knock sensor is located under the intake manifold and must be changed from underneath the car. If you remove the oil filter it is directly above it and is in clear view once the oil filter is out of the way. The connector plugs in behind the intake manifold air breather on the top side. If you remove the air breather cover it will help you get to it. I wish I had someone tell me where it was instead of looking for it for over 2 hours. It is simple after you find it.
SOURCE: where is the knock sensor located on 2003 Kia Rio
2003 kia rio, It is located under the intake manifold. Get underneath the car, pull the oil filter...it is right above it and in clear view with the oil filter out of the way. The connector plug is up top behing the air breather on the firewall.
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