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| New CRD - P0209 Code thrown on the way home http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=62791 |
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| Author: | evnparr [ Fri Sep 23, 2011 8:11 pm ] |
| Post subject: | New CRD - P0209 Code thrown on the way home |
Well I just bought an 05 CRD with 106,000 and the check engine light came on on the way home. I put the scanner on it and it said it was the p0209 turbo under boost. I have a flow chart to check the various symptoms, but was just curious if anyone has any input. It sucks to drive a new car off the lot an already have issues. 
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| Author: | evnparr [ Sat Sep 24, 2011 11:03 am ] |
| Post subject: | Re: New CRD - P0209 Code thrown on the way home |
Well I cleaned the map sensor and it seemed to make a difference. Then we cleared the code and the check engine light stayed off for a 20 minute drive and seemed to be fine. However this mourning when we started it up and headed down the road it threw the code again. Does anyone have any suggestions. I know it has the stock turbo up pipes on it could that be problem? |
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| Author: | calbear [ Sat Sep 24, 2011 12:10 pm ] |
| Post subject: | Re: New CRD - P0209 Code thrown on the way home |
check vacuum hoses and clamps. if that doesn't fix it, you might have a stuck turbo from carbon build up. there are ways to free the vanes. worst scenario you need to replace the turbo (i had to) |
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| Author: | papaindigo [ Sun Sep 25, 2011 9:01 am ] |
| Post subject: | Re: New CRD - P0209 Code thrown on the way home |
The TECH ONLY page is for proven solutions to known problems. You will get better responses if you move this query over to the main CRD "Love that torque!!!" page. That said: 1) much more important than this code is whether or not the timing belt service that's due at 100,000 miles has been performed, if not you need to do so ASAP as TB failure is expensive; 2) under boost can be hoses, boost solenoid, sticky turbo vanes, or leaky vacuum hoses. If your trubo>intercooler>engine hoses are black OEM, as opposed to colorful SAMCO, and soggy with oil or even if not soggy the hoses need to be removed from the engine and carefully inspected on the bottom for splits, cracks, small holes and if any are found the hoses need to be replaced with Samcos preferably although the newer OEM are supposed to be ok. While hoses are off carefully inspect the airbox to turbo hose for a split down where it attaches to the turbo. There are ways to bypass the solenoid to see if that helps but a solenoid problem usually comes with clearly bad performance and any one of a variety of different codes. Fortunately the solenoid is relatively cheap to replace. There is a way to check performance of the vane linkage and as noted sticky vanes can be cleaned. There also has been at least one example of melted/leaky vacuum hoses. I can send copies if you email me. The first place I'd look though is the hoses mentioned above. |
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