p1188 and p0170 on bmw z3 roadster the car has a 2.8 engine it runs rough when cold, replaced a few hoses, ccv, - BMW 1998 Z3 Roadster question Search Fixya Press enter to search.

Customer: 2000 bmw z3 with both banks fuel trims range exceeded p1189, p0170, p0173, p0410, p1421. These codes keep coming back. I've done crankcase breather hose, air mass meter boot, intake manifold adjuster valve, crankcase vent valve, and intake gasket.

p1188 and p0170 on bmw z3 roadster the car has a 2.8 engine it runs rough when cold, replaced a few hoses, ccv, - BMW 1998 Z3 Roadster question Search Fixya Press enter to search.

Customer: BMW Z3, Engine size 1.9, Year: 2000. The Engine Management Light FAULT CODE: P0170, Fuel Trim Malf. Can anyone knows what's exactly part I need to fix/replace? Thank you very much in advance!

The car when first start up runs rough when it first starts up but runs good after warms up. 2.8 engine has p1188 and p0170 engind code replaced few hoses, looks like the o2's have been replaced, has black smoke, tryed a new maf meter still runs rough at cold idle and cleaned air control valve after cleaning air valve still idles rough when cold but …

Aug 30, 2014 · SOURCE: just got there codes for my 2000 323 and it didebt p1188: Fuel Control (Bank 1 Sensor 1) p1189: Fuel Control (Bank 2 Sensor 1) p0171 and p0173: These are very common codes on BMW's which can also be false codes, try clearing the codes and run the test again they may not come up again. p1250: Never came across that....

Customer: I am still getting a P1189, P1188, P0170 and P0173 after changing the oil separator valve on a bmw 2.8L 528i 1997. The intake is completely sealed I took it apart and there was a loose air hose that I refitted.

Hi, I'm driving BMW E46 2001 UK Spec and the faulty codes - P0300, P0170 (O2 sensor control, control limit), P0170 (check fuel system), P0304 and P0301. Where should I start from here? Thanks. From Du … read more

The issue isn't a steady one it happens on and off the code p0170 it says it's engine too lean extreme fuel trim Subaru Mechanic: Mike V. Yes, these two things are what affect the fuel trim the most.

May 2, 2009 · Are you sure it is a trans code. Everything that I have found states that P0170 is a fuel trim problem?P0170 Fuel Trim Malfunction (Bank 1) The code P0170 means that the air-fuel mixture coming in to the engine is too lean, or too rich. Usually it's the lean condition that causes this code. The code P0173 means the same, only for the Bank 2.