18T Troubleshooting Guide We Have All Seen

May 14th, 2015
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Price: $10 USD

Tutor description

We have all seen the common problems that these cars develop, and often know right away what symptom = what problem. Rather than answer all of these posts, I though a troubleshooting guide was in order. Ill get this started with the basics, and if everyone adds some in the same format we should have a good guide

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18T Troubleshooting GuideWe Have All Seen1.8T Troubleshooting Guide.We have all seen the common problems that these cars develop, and often know right away what symptom = what problem. Rather than answer all of these posts, I though a troubleshooting guide was in order. Ill get this started with the basics, and if everyone adds some in the same format we should have a good guide. Add a post, I will copy and paste it into the master. When you see yours copied in, delete your post to keep this clean. Links to sites with how things work, and procedures would also be great. It would also be nice to have a list of codes, and we can link them to the part troubleshooting methods. Part numbers may also be useful. THIS IS NOT A THREAD TO POST PROBLEMSSection 1. - Symptom - Possible Problem Parts (in order of likelihood) Section 2. - Part Troubleshooting Method - AlphabeticalSection 1.Rough Running At Idle - MAF, Ignition Coil, Spark Plug, VAC Leak, O2 Sensor, TB, CTS Missfires under Boost Flashing CEL Ignition Coils, Spark Plugs Running Rich Boost Leak, MAF, O2 Sensor, Coolant Temp Sensor Running Lean VAC Leak, MAF, O2 Sensor, Fuel FilterLow Boost Limp Mode, MBC, BOV, DV, Boost Leak, N75,High Boost MBC Setting, N75, Spark Plugs, Ignition Coils Cold Start Problems MAF, Spark Plugs, Fuel Pump Relay, CTS Poor Gas Mileage MAF, CTS, O2 Sensor, AIT SensorCat Efficiency Below Threshold Down pipe, CAT, Rear O2, RACE FUEL No Start Battery - EC

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