Delphi AS10017 Ignition Knock (Detonation) Sensor

Easy to install, seemingly resolved the issue, I can fix a pretty expensive mechanic issue myself with nothing but you tube and an auto parts provider.

These Deliphi knock sensors worked great!!! Finally good knock sensors that worked great. Had oem gm knock sensor installed last year. And failed so i decided to buy these instead. My mechanic charged me about 230$ to install them for me little did i know the light came back on while driving. I was mad as hell but i did some research online and gm forums. And youtube on knock sensors and read that you are suppose to test them for resistance. And my mechanic tested these knock sensor and worked awesome and when he tested for signal they light right up. when you tapped the motor or any metal part. Light hasnt came on at all great sensors. Definately would recommend.

I bought these because ACDelco sometimes sources products from Delphi and these were half the price of the ACDelco sensors. My 2002 Suburban had been getting these codes because of the known rust issues with the 2000-2006 design.Anyhow I bought two of these and a new ACDelco wire harness. I did the work of replacing them, codes kept appearing. I thought maybe I had installed them wrong (torque) because the resistance was perfect at 100.3 on the ohm meter and I got a voltage response when tapping. So I did the job again, made sure all rust was scrubbed out, a little dielectric grease, perfect tongue, ground continuity as expected, but the whole thing back together (not a quick job) and the codes came back!I tinkered with resistance on the wires, figured it had to be the wires or ECM, couldn’t possibly be these sensors. I battled this for 6 months (too late to return these) until I asked a neighbor with the same engine to let me check his wire resistance for the knock sensors… turned out mine had been perfect before I started trying to mess with them. Finally bought a pair of ACDelcos from a local dealer and did the job a third time. After pulling these out I compared them with the ACDelcos. The ACDelvos measured 99.8 resistance (perfect, nearly identical to these, but the voltage check with a tap was insanely different. The ACDelcos voltage was way more responsive to taps.Once I put it all back together with the ACDelcos, the codes vanished and haven’t come back in over 300 miles. I’m kicking myself that I trusted these Delphi units and so much money, labor, and frustration are down the drain.

The media could not be loaded. I got a 2002 Chevy Avalanche with a 5.3L and 200k miles, previous owner said the knick sensors were replaced with AC delco in the factory position and the CEL never went away. I ordered these and instead of taking the whole intake manifold off I relocated them to outside the block. It took less than 20 minutes and it has been working PERFECTLY!! Along with these to sensors I also ordered a harness screwed them in to the factory threaded holes on the block (they're the same size) disconnected the factory harness and ran the new harness to the sensors. Cleared the code and reved the engine to about 4k RPM for 15-20 seconds so the ECU can learn the new knock sensors and I haven't had a problem since! Its been a month and still no CEL! Just make sure you OHM out the sensors with a meter before you install them, you should get about 99-100 OHMS... TRUST ME RELOCATE YOUR KNOCK SENSORS!!

These are good quality Knock sensors that work!!... I had to do this Job 3 times!! first i bought Acdelcos from eBay then from the GM Dealer both threw a check engine light in less the 50 miles , well after doing some research online come to find out there was a Massive bad batch of Acdelco Knock sensors. So i bought these knowing Delphi makes sensors for GM and so far thy been working good almost 20,000 miles on them and no check engine light.

I bought Dorman knock sensors kit and failed. Didn’t want to use them but parts store had no other option. I need it running that day and Of course had to pull the intake again a week later. Just installed these Delphi today seem to be working so far, no code yet. Tested for continuity and a/c volts, both read fine.

Did this job once before with a dorm** product had to end up doing the job again.This product passed out of the box wen over 50% of the aftermarket products failed out of the box

Products are good quality and fit perfectly.