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john -aka eauto
john -aka eauto, ASE Certified Technician
Category: Subaru
Satisfied Customers: 16284
Experience:  15 years as a auto tech
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Check Engine Light is on and Cruise Control Light is

Customer Question

Check Engine Light is on and Cruise Control Light is blinking
JA: Have you checked the fuse? What size is your engine?
Customer: I don't know about fuses and the engine is the standard - It is 2007 Outback
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: No - I have just googled the question
JA: Anything else you think the mechanic should know?
Customer: No - only have 56,000 miles on the car
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Subaru Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Subaru
Expert:  john -aka eauto replied 1 year ago.

have you scanned for codes yet?

Expert:  john -aka eauto replied 1 year ago.

do you have a scan tool?

Customer: replied 1 year ago.
No I have not scanned and I do not have a scanner
Expert:  john -aka eauto replied 1 year ago.

The check engine light comes on when the on-board computer detects a fault in engine driveability or performance, transmission control system or transmission, or the emissions system, and a fault code is set and stored in the computer. Faults that can set the check engine light can range from a vaccuum leak, engine mis-fire, low engine compression, faulty sensor such as O2 sensor or other engine sensor, hydraulic pressure loss in transmission, transmission shift solenoid, open/short in wiring harness, emission evaporative system leak, or one of over a hundred different reasons.
The only way to know what set a fault code and turned the check engine light on is to have a diagnostic scanner hooked up to the on-board computer and read it for stored diagnostic fault codes. Many auto parts stores will do this service for free- (like auto zone)check with you local parts stores. If none in your area do, then you will have to take it to a shop and pay to have the computer read for stored fault codes.

Without knowing the fault codes numbers, it would be irresponsible to guess as to the cause as there are hundreds of possible causes

if you provide me a diagnostic code we can narrow down the cause of failure

Expert:  john -aka eauto replied 1 year ago.

when the check engine light comes on in a subaru it automatically also lights up the cruise control light and disables the cruise control until the problem is fixed or the code is cleared, but even if the code is cleared it can still come back on if you dont fix your check engine light issue . please rate me 5 stars and if you have any follow up questions when you get those codes let me know and i will keep this question open in order to further assist you.