# Help with my 2.slow Jetta **URL:** https://forums.speedlife.net/t/help-with-my-2-slow-jetta/204063 **Category:** PittSpeed Automotive **Created:** [October 31, 2009, 8:08am UTC](https://forums.speedlife.net/t/help-with-my-2-slow-jetta/204063 "2009-10-31T08:08:39Z") **Posts on this page:** 1 **Showing post:** 8
### Author: ![jackie](https://avatars.discourse-cdn.com/v4/letter/j/f07891/32.png) [@jackie](https://forums.speedlife.net/u/jackie) #### Post date: [November 4, 2009, 7:20am UTC](https://forums.speedlife.net/t/help-with-my-2-slow-jetta/204063/8 "2009-11-04T07:20:56Z")
> [@Who here has used Zaino products?](https://forums.speedlife.net/t/who-here-has-used-zaino-products/41498/5): > > i dont think it is your crank sensor. very seldom have i seen the crank sensor go bad. they are on a shit ton of cars. yes it is possible. however, i have seen the next scenario go bad more often than the crank sensor itself. > > go in the back seat. lift forward the bottom section of seat. there will be a black access plate on he passenger side. 3 phillips head screws hold it down. remove this. > > under this, you will have access to your fuel pump. there is one electrical connector on it. unplug it. is it green corroded and/or moist when you unplug it? if so, clean it out best you can and stick your car up for sale asap. you just became a victim of coolant migration. > > what happens, coolant seeps past the plug on the coolant bottle. it follows the wire back into the harness on the instrument cluster and the fuel pump wiring. it temporarily kills the fuel pump/shuts the car off. just randomly does this. this shut off stores a crank sensor fault code. 3 times i have seen this. only real fix is to replace the oem bottle w/ a new one before it happens. > > problem w/ fixing is the coolant actually follows the wire strands inside the casing. so it corrodes the wires inside the casing–unknown where it will break. could break 1 inch back from the plug, can break midway through the harness etc etc. only real fix is to re-wire the car-- which is not worth the labor to do. Oh, holy shit ☹ Thanks for the info, as gloomy as it is, lol --- _[View the full topic](https://forums.speedlife.net/t/help-with-my-2-slow-jetta/204063)._