Difference between the BOSCH ZR5TPP33 & ZR5TPP33S?

[galifardo1971]

hi, right now Bosch "non s", use to have the Bosch "s" when was from dealer.

Originally Posted by ShocknAwe

would love to help you but don't know what plugs you're using or if you're actually getting misfires.

[galifardo1971]

hi, I was using ZR5TPP33S, and the shop only have the Bosch ZR5TPP33, so my car now when I go slow and push the gas slowly star to cough, is worst when I go in 7th and slow rpm and start pushing the gas slowly the cough is worst, please some advice.

Originally Posted by ShocknAwe

would love to help you but don't know what plugs you're using or if you're actually getting misfires.