Just what I ordered, wish I ordered these the first time but didn't think after market parts would be a problem, but they were. Glad to have the right parts now.
Verified purchase: Yes | Condition: New
Replaced both knock sensors even though problem was with only one sensor. The new knock sensors do not work. The resistance reads correctly but there is no voltage output. Now I have to take everything apart again and find knock sensors that function properly. These say that they are AC Delco parts but they are duds.
Verified purchase: Yes | Condition: New
The harness was definitely not gm product. It did not fit the knock sensor and will not snap on to stay attached. The harness came apart from both knock sensor after one day of driving. Needless to say, I had to take everything apart again to put a new harness in. I haven't had any problems with the knock sensor yet.
Verified purchase: Yes | Condition: New
because it worked when the off brand did not.
Verified purchase: Yes | Condition: New
One work good and the other one did not work
Verified purchase: Yes | Condition: New
It does not work in my 2002 Chevy Silverado and I was told that AC Delco would work just fine, but I don't even know if it really is AC Delco. Now I must purchase it again and repair my truck once again
Verified purchase: Yes | Condition: New
After installation check engine light and code read bad knock sensor (low circuit)
Verified purchase: Yes | Condition: New
Immediately responded to my concerns and made everything right. I highly recommend him.
Verified purchase: Yes | Condition: New
AC Delco parts still getting a check engine light but reset it twice and it hasn’t come back on for a week
Verified purchase: No
These work easy and are Great.
Verified purchase: Yes | Condition: New
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