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sprinkles08
sprinkles08, ASE Certified Technician
Category: Car
Satisfied Customers: 21599
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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After replacing my turbo, my engine turns off everytime I

Customer Question

After replacing my turbo, my engine turns off everytime I test the turbo. Code 171 and 2 manuf. codes 1251 1260 come up. After erasing the code, car starts and runs for another 30 or 40 miles and it's back to code again. Could limp home be the problem?
JA: Will the headlights turn on? Is the battery fully charged?
Customer: yes
JA: What year is your Turbo?
Customer: Bought it thru caRId Don't know the year
JA: Are you fixing your Turbo yourself? What have you tried so far?
Customer: Turbo was shot loose fan
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 3 months ago.
Category: Car
Expert:  sprinkles08 replied 3 months ago.

Hello and welcome to JustAnswer!

P0171 and 172 are both fuel system lean codes. These set when the engine controller is seeing a lean condition and adding fuel to the extent of it's capability and cannot bring it back to center. Low fuel pressure is a common cause or a lean code setting on both sides.

What year and model is the vehicle and what engine do you have?

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