Where are the all the grounds in a C body.
 

After driving on & off for 11 hrs yesterday with no issues and managing 29.4 mpg over the 598 miles I drove yesterday; I start it up to go get something to eat and the dam Check engine light comes on. <sigh> The past 6 or so times this comes on its for P0102 - Low output from MAF and its getting r e a l annoying.

The battery cables have been cleaned recently as well as the body ground right by the battery. I'll be swapping out plugs & wires today and then looking for the ground block under the carpet to clean that; are there any others???

Thanks!!
Timmers

ps - this if for the wifes car in sig.

Just for future reference for others;
Besides the ground on the fender behind the battery and the one on the block by the starter (follow the cable down if its not obvious) there are 4 more under the ECM/PCM cover on the fender on 2 differeent fender bolts. You'll need to remove the PCM cover and disconnect both PCM connectors to have enough room to unbolt and clean everything. Be sure to cover the pcm so no debris falls into the connector.