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NEED SOME ADVICE
Some of you know I recently did the timing guides and chains on my 01 x5 4.4. I also did the upper and lower oil pan gaskets. Two big jobs. I only have 112,000 miles on the engine. I had a few error codes so I decided to take it an Indy shop in Sacramento (Prestige Auto Works). They found 3 codes 033, 028 and 029. To fix the problem they wanted to replace the engine ($6,000). I paid them for the diagnosis and took my keys. If anyone have any experience with them codes, please point me in the right direction to fix. Lastly, they also told me that the intake is leaking. I have already ordered the gasket set. Thanks |
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#2
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028 and 029---additive mixture adaption reached for bank one and two.
030 is heater control circuit, bank one sensor one. 028 and 9 could be because of intake leak or several other potential problems such as Bad MAF, sticking throttle body etc. 030 is harder to determine core issue. Before addressing 030 I suggest repairing the intake leak, clear the codes and see what returns. The intake leak could be causing all the codes. How is the engine running?
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#3
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Take it somewhere else to get a second opinion...
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#4
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#5
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#6
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If the problem showed up just after the timing chain job you could have the timing off.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#7
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#9
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I had the codes before I did the timing chain job with the hope this will solve the problem or just give me peace of mind on the timing guides.
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#10
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One of the things that I have definitely found helpful on these vehicles that get some age and miles is having the engine smoked. When this happens you can identify a number of leaks that can ultimately trigger a number of codes and tri the SES.
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