# What does Check Engine Light code 1170 mean?

**URL:** <https://community.cartalk.com/t/what-does-check-engine-light-code-1170-mean/47737>\
**Category:** Maintenance/Repairs\
**Tags:** bmw, 318\
**Created:** [April 20, 2010, 3:04pm UTC](https://community.cartalk.com/t/what-does-check-engine-light-code-1170-mean/47737 "2010-04-20T15:04:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mudricks](https://avatars.discourse-cdn.com/v4/letter/m/9de053/32.png) [@mudricks](https://community.cartalk.com/u/mudricks)\
**Post date:** [April 20, 2010, 3:04pm UTC](https://community.cartalk.com/t/what-does-check-engine-light-code-1170-mean/47737/1 "2010-04-20T15:04:05Z")

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What does Check Engine Light code 1170 mean? What do I need to do to fix it. 1996 BMW 218i - 4 door sedan

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**Author:** ![Caddyman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/caddyman/32/23_2.png) [@Caddyman](https://community.cartalk.com/u/Caddyman)\
**Post date:** [April 20, 2010, 4:06pm UTC](https://community.cartalk.com/t/what-does-check-engine-light-code-1170-mean/47737/2 "2010-04-20T16:06:01Z")

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I searched for this code and cannot find a matching result for BMW. Here’s what I found:

ME7.2 P1170 Post Catalyst Fuel Trim System Correction Value above Threshold (Bank 2)

P1170 Front Heated Oxygen Sensor Stuck.

P1170 Bank to Bank Fuel Trim Offset

P1170 ESO - Engine Shut Off Solenoid Fault

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**Author:** ![tardis](https://avatars.discourse-cdn.com/v4/letter/t/f0a364/32.png) [@tardis](https://community.cartalk.com/u/tardis)\
**Post date:** [April 20, 2010, 4:44pm UTC](https://community.cartalk.com/t/what-does-check-engine-light-code-1170-mean/47737/3 "2010-04-20T16:44:41Z")

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What is the full code? The letter at the start is important. Is it “P” as was assumed?