1128 & 1130 codes
Hi
I'm new here and have a new used 2002 Boxster Base with 140K
So far I have replaced plugs, MAF, Air/Oil Seperator, Water pump, coolant, oil, filter, oil filler cap , and air filter and it's now down to these two remaining codes.
I also have run two bottles of Techron through on two different occasions.
I am still getting the CEL and these two codes: 1128 & 1130
I have read a number of threads on these forums but there doesn't seem to be any consensus on what to do next to solve the issue.
1. Oxygen sensor?
2. Fuel cap?
3. Vacuum leak?
4. Fuel pressure?
5.Fuel injector?
Any help is appreciated!
Thanks!
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