Question about Volkswagen Jetta

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Jetta won't start cold unless you add fuel to fuel throttle and has no problem starting when warm

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  • 110 Answers

Sounds like the cold temp sensor

Posted on Feb 14, 2014

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Posted on Jan 02, 2017

pippall
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SOURCE: 96VW jetta stalls out when warm

change the crank censer.

Posted on May 30, 2009

  • 1 Answer

SOURCE: BMW E46 320d SE 2002 Poor starting from cold, OK when warm.

rub your **** on the key fob

Posted on Jul 22, 2009

  • 2 Answers

SOURCE: 1989 Firebird won't start unless gasoline is sprayed in throttle.

do you have a K&N air filter system some times oil from the filter will get on the air mass flow senso and wont let it start. If it does try cleaning air mass flow sensor and some of the oil on K&N filter

Posted on Sep 24, 2009

  • 1 Answer

SOURCE: peugeot 306 won`t start off ignition

started car had only just gone around the corner and heard a burst sound then hissing thought it might of been radiator hose. stopped car checked main radiator hoses took radiator cap of released pressure ,but hissing continued sounded like it was coming from mid part of engine any ideas what it could be..

Posted on Nov 09, 2009

  • 2 Answers

SOURCE: STARTS & RUNS WHEN COLD BUT STALLS EVERYTIME YOU RELEASE THE ACCELLERATOR WHEN WARM

2001 dodge ram 1500 dies after releasing accelerator.runs good while accelerator is depressed.

Posted on Nov 23, 2009

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1 Answer

Choke problem


Replace the chock thermostat. When the engine is cold, the choke is in closed position to restrict airflow and give rich fuel mixture to combustion chamber. As engine area warms up, the choke thermostat gradually opens air passage to increase air flow to combustion chamber, resulting in leaner fuel mixture. The choke is in "full open" while the engine is cold, resulting in lean mixture, causing the engine to die unless you add more throttle to increase fuel mixture.

Nov 29, 2013 | Mitsubishi Pajero Cars & Trucks

1 Answer

When my truck is cold,it starts like every other truck out there.When my truck is warm,it has a really hard time starting.It doesnt start unless I put my throttle to the floor.Its a throttle body


What it sounds like is the fuel pressure regulator has gone
bad. It is located on the intake manifold inline with the fuel
line going to the throttle body. This little regulator has a single
vacuum line going to it. Most parts stores carry them in stock.
I hope this has helped.

Sep 11, 2013 | 1993 Chevrolet K1500

1 Answer

Truck won't start unless I add fuel to the carburetor (fuel injected) and there is lots of fuel pressure at the rail but nothing going into the carb. Any idea


From your vid, it looks like you don't have a dedicated EFI system.(electronic fuel ignition) You have what's called a throttle body system. It is a Frankenstein(hybrid) between carburetor/fuel injector system. Most commonly with these trucks, and I love to work on them, there will be a fuel filter located somewhere between the tester, and the throttle body. there could be more than 1 if you aren't the original owner of the truck, someone else could have stacked a couple in line. If that is not the case, it could also be a vacume issue. Good luck.

Mar 29, 2013 | Cars & Trucks

1 Answer

1990 Volkswagon Jetta won't turn back on after long drive.


Then you have a start up problem and it reside with the cold start valve,The cold start valve operates even if the vehicle is warmed up,the cold start valve can be plugged up,or even have a bad connection,The cold start valve operates by a thermotime switch.This switch located on the near bottom of the radiator may have gone bad or disconnected,Here is the easy cost effective route, replace them both,it will cost more to trouble shoot it than just replace it.

Aug 07, 2012 | 1990 Volkswagen Jetta

1 Answer

97 suburban wont start when engine is cold.


you might want to check your return line to the tank

Jan 13, 2010 | 1998 Chevrolet K1500

1 Answer

Problems starting


sounds fuel related. any more info? maybe check your fuel relays/fuel pump. when last did you change the fuel filter at the back?

Mar 23, 2009 | 1996 Volkswagen Jetta

3 Answers

Volks jetta deisel 1997 won't start


DEPENDING HOW COLD OUT IT IS DIESELS DONT LIKE TO START IN COLD WHEATHER UNLESS THE GLOW PLUGS ARE WARM THIS IS THE REASON FOR PLUGGING DIESELS IN MOST WONT START IF ITS COLD OUT IF ITS NOT THAT COLD OUT IT SHOULD START IF YOU HAVE ENOUGH BATTERY POWER MAYBE THERES NOT ENOUGH FUEL GETTING UP TO THE THROTTLE BODY HOPE THIS HELPS

Oct 23, 2008 | 1997 Volkswagen Jetta

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