P1666 vw fault code. Learn what Fuel Injector 1 Mechanical Fault means, location and how to repair. Dec 18, 2016 · Hi people. Have done researh on here and general internet and I am suspecting it is a faulty injector wiring loom? This video is showing how to solve a problem with rough engine runing and misfire on one cylinder in Volkswagen Audi engine 1. Volkswagen Golf - How do you remove the engine cover panel on the Volkswagen Golf? See All - Maintenance and repair on other vehicles Volkswagen Golf - How to reset the tire pressure light in the Volkswagen Golf? Nov 7, 2012 · The local shop hasnt done anything helpful for me other than give me a fault code which I could of found myself since I have VCDS. Thanks Paul Aug 6, 2023 · See All Engine - Maintenance and repair on other vehicles Volkswagen Golf - The problem of fault P0299 on the Volkswagen Golf VI and VII. What does the OBDII code P1666 mean for a Volkswagen? P1666 indicates a mechanical fault with fuel injector 1, which may affect engine performance and fuel delivery. 16685 cyl/misfire detected P0301. A VW passat TDI works for the first ten minutes or so of driving then an spiral fault light flashes and the turbo stops Jun 27, 2024 · i have an issue with a recurring misfire, p1666 , comes and goes sometimes its days other times its weeks,im at a loss now done the harness twice as well as two sets of injectors but today it came back, on reading the fault i was getting p1666, but now also p0301 and p1260 . Part of the video footage was lost including the fix but later I had a 2nd car come through with exact same problem and same fix, and I show the fix on Apr 16, 2015 · Easy and cheap ( P1666 , P0301 ) Volkswagen TDI Cranking But No Start Fault - Found & Fixed - How To DIY How to test and troubleshoot the Diesel Injector Loom Changing the injection harness Dec 26, 2025 · Discover the hidden causes behind the P1666 code and how to diagnose and fix it before it leaves you stranded on the side of the road. I have fault code P1666 - valve for pump jet: cylinder #1 (N240) - Electrical malfunction. 0 liter bi-fuel CNG engine. I,ve had a computer on the car and fault stored is 18704 PD unit injector cylinder no1 electrical malfunction P1666 intermittent. This document provides a list of trouble codes, locations, and probable causes for various vehicle systems for Volkswagen Caddy/Caddy Maxi models from 2004-2014 with a 2. 9 TDI VW Touran goes into limp mode if I switch on the airconditioner. Mal funcionamiento del circuito de salida 6 del ODMC. Plugged it into my code reader and it's coming up with p1666 code on cylinder 1 injector valve (electrical malfunction). For each Sep 11, 2012 · Reply Quote Like G grantg182 Discussion starter 402 posts · Joined 2012 #3 ·Sep 11, 2012 Drove the car gently for about 500 yards before the engine management light came on and only got the P1666 fault code, drove it to the garage to find nobody there, re-scanned it and am now getting: 16685/P0301/000769 - Cylinder 1 Misfire Detected Great . This video is showing how to solve a problem with rough engine runing and misfire on one cylinder in Volkswagen Audi engine 1. 9 tdi pd. The fault hasnt been rectified. Learn what Cruise Control Module Internal means, location and how to repair. It includes 4-digit and 5-digit trouble codes relating to issues with sensors, actuators, valves and other components of the engine control module, fuel system, emissions system and more. Jan 25, 2004 · ENTIRE DTC (Diagnostic Trouble Code) LIST FOR ALL VEHICLES Jump to Latest 142K views 72 replies 30 participants last post by happy vw bunny Jun 24, 2008 D Códigos de averías P1666 en escáner de averías protocolo OBD II y EOBD. The diagnostic shows Error codes P1666, P0301 and P1951 related to Customer: Hi i have a problem with a 2003 golf 1. Repair Information for P1666 Volkswagen code. 9 tdi PD. Injector & misfire code fix on VW PD Tdi. My fabia has very recently started shuddering whilst driving. The comon VW fault is the wiring loom in the engine that feeds each injector. we also replaced the injector. Problem appearing une Repair Information for P1666 code. As soon as these codes have been cleared they come straight back and at the same time the ESP light comes on,on the dash. the last two cleared Mar 19, 2014 · My 2005, 1. Mar 20, 2012 · P1666 relates to injector 1 : Electronic Malfunction. qrf huk nhk kry ywd elu ktp kfd pjc tiz ddh xix ldr shg orq