20 Most Recent 1999 Oldsmobile Silhouette - Page 4 Questions & Answers

Most likely a blown head gasket.

It is an electric fuel pump.

on top of engine near green cap for testing.

it's a big job. it is located inside the side cover

The valve is mounted on the engine near the middle of the intake on most models. Keep in mind the code is for a problem with the circuit which may or may not involve the actual valve. The valve and control would need to be tested.

I think , only way is to replace it.

If the ABS light os on the brake and traction control lights will also typically illuminate. Your best option is to have the ABS system scanned to see what is causing the light to come on. Once you know the code(s) it will be a lot easier to figure out what the problem is. I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Duplicate question.

Google the codes & stop using any vehiclewith trans codes or problems, until they are resolved

it could be your shift cable snapped?