Category: P0507

2004 Nissan Altima, P0507 Surging / High Idle

This 2004 Nissan Altima 2.5S came in with a high cold idle followed by a high and surging warm idle. A few of the things I noticed right away was a fairly new battery. And a new starter assembly. I wanted to take a look at the throttle body, so I removed the intake tube … Continue reading “2004 Nissan Altima, P0507 Surging / High Idle”

1997 Cadillac Deville, Erratic / High Idle, Code P0507

This 1997 Cadillac Deville came in with the complaint that the idle speed would sometimes be okay but most of the time as the engine warmed up it would get progressively higher and higher until the engine would run at about 3000 rpms on its own with no throttle input. The following picture shows the … Continue reading “1997 Cadillac Deville, Erratic / High Idle, Code P0507”