Back to 1998 BMW 528i

1998 BMW 528I

2.8L I6 M52RWDAUTOMATICgas
Repairs0Labor595Torque3503Fluid7DTC649Battery0Maintenance0Recalls0
P0114low severityPowertrain

IAT Sensor 1 Circuit Intermittent

on 1998 BMW 528i 2.8L I6 M52 · RWD

What this code means

The IAT sensor signal is intermittent.

Symptoms

  • Check Engine Light (intermittent)
  • Erratic idle

Common causes

  • Loose connector
  • Damaged wiring
  • Intermittent sensor failure

Diagnostic steps

  1. Wiggle test
  2. Monitor IAT signal
  3. Inspect connector

Repair notes

Repair connector or wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →