julianstar1
VW Eos Oil Warning + Check Engine Light Mystery
Summary of the thread
A 2010 VW Eos owner experienced both the check engine light and oil pressure warning, suspecting oil contamination as the cause. A similar issue in a VW Golf GTI was resolved by addressing oil pressure drop due to degraded oil quality and a clogged oil filter. The recommended solution involved a complete oil system flush, new oil filter, fresh engine oil, and resetting the engine diagnostics. Following this advice, the Eos owner had their vehicle serviced, which resolved the warnings and improved engine performance, highlighting the importance of timely maintenance to prevent serious engine damage.
Did this summary help you solve your problem?
4 comment(s)
julianstar1 (community.author)
Thanks for sharing your GTI experience. Did you remember roughly how much the complete service cost? My Eos is still showing both warnings and I am worried about potential engine damage from low oil pressure. Just wondering if I should prepare for similar repair costs. Also curious if you have had any oil leak issues or needed additional repairs since the oil system flush was done? My mechanic mentioned oil sludge buildup could be a recurring problem if not addressed properly.
matsnacht1
The total repair costs came to 165€ for my GTI, which included fixing the contaminated oil system and resetting the maintenance interval that had been exceeded. Money well spent considering the risk of serious engine damage from running with compromised oil pressure. Since the oil system flush and service, my engine has been running perfectly with no oil leaks or warning lights. The oil color now stays normal between changes, and pressure readings are consistently good. The key was catching the contamination early before it could cause permanent engine damage. A professional oil analysis during the service confirmed no lasting issues from the oil contamination. Regular maintenance with the correct oil filter and high-quality oil has prevented any sludge buildup from returning. Based on your symptoms, getting prompt service should resolve the warnings without leading to recurring problems. The VW engines are quite resilient when maintained properly, but ignoring oil pressure warnings can quickly lead to expensive repairs. Getting it checked now will likely save significant costs compared to dealing with damaged engine components later.
julianstar1 (community.author)
Took my Eos to a trusted mechanic yesterday after reading your advice. The total service came to 180€, slightly more than your GTI repair but still reasonable considering the potential risks. The diagnostic revealed exactly what you described, clogged oil filter and degraded oil quality causing the pressure drop. The mechanic performed: Full oil system cleaning, Premium oil filter replacement, Fresh synthetic oil change, Computer system reset Both warning lights cleared immediately after service. The mechanic showed me the old oil filter which was heavily contaminated with metal particles. Really glad I addressed this before any serious engine damage occurred. The oil now looks clean and the engine runs noticeably smoother. Going to stick to strict maintenance intervals and quality oil filters from now on. Thanks again for helping me avoid what could have been a much costlier repair down the road.
rmh_community_comment_box_header
community_crosslink_scanner_headline
community_crosslink_scanner_intro
community_crosslink_scanner_title
community_crosslink_scanner_price
community_crosslink_rmh_headline
community_crosslink_rmh_intro
community_crosslink_rmh_title
community_crosslink_rmh_subtitle
community_crosslink_rmh_brand
VW
community_crosslink_rmh_model
EOS
matsnacht1
As a VW Golf GTI 2013 owner, I encountered similar warning combinations last season. The root cause was indeed oil-related, requiring immediate attention to prevent engine damage. The dark engine oil color combined with both warning lights typically indicates two potential issues: 1. Oil pressure drop due to degraded oil quality 2. Oil filter clogging from contaminated oil In my case, the oil filter was severely clogged, restricting proper oil flow. The maintenance interval had been exceeded by only 2000km, but the engine oil analysis revealed significant contamination. The repair required: Complete oil system flush, New high-quality oil filter installation, Fresh engine oil replacement, Oil pressure sensor verification, Engine diagnostics reset The issue was serious enough to require immediate repair, as continued operation could have led to engine bearing damage. After the service, both warning lights cleared and oil pressure returned to normal. For VW engines of this generation, oil quality is particularly critical. Consider requesting an oil analysis test at your next service to identify any unusual wear patterns or contamination sources.