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2003 VW Passat has hard start problem. The headlight turn on…

Customer Question
2003 VW Passat has...

2003 VW Passat has hard start problem

Mechanic's Assistant: Will the headlights turn on? Is the battery fully charged?

The headlight turn on cranks over fine

Mechanic's Assistant: Are you fixing your Passat yourself? What have you tried so far?

Coolant temp sensor and spark plugs

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It runs find once you get it running

Submitted: 10 months ago.Category: VW
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Answered in 5 hours by:
9/24/2017
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
Wolfgang
Wolfgang, VW Master Technician
Category: VW
Satisfied Customers: 5,251
Experience: Senior VW Master Tech 15 yrs
Verified
Hello I'm Wolfgang. Did you scan the engine computer to see what codes are stored? Let me know. Thanks
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Customer reply replied 10 months ago
p0300 and 302 look that up that's why I'm here
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago

ok i do need a vin # please to get the factory information .

second once you get it started does it run smooth or rough?

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Customer reply replied 10 months ago
The car not here have to call to get vin runs perfect
Customer reply replied 10 months ago
WVWPD63BX3P453797
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago

ok is this hard start when its cold or hot after driving going to a store and then restart hard?

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Customer reply replied 10 months ago
Starts up when cold
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago

ok do you have vag com to see what is the coolant temp sensor is reading when cold?

what also i need is the area you live at ? (temps)

thanks

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Customer reply replied 10 months ago
Washington
Customer reply replied 10 months ago
Could the new sensor already be bad the other thing the MPG was jumping all over the place while driving
Customer reply replied 10 months ago
The temperature was in the upper 70s
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
You have the mpg set at instant than average.
That is why scanner needed to verify temp
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Customer reply replied 10 months ago
Have ohms meter
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
I'm sorry you will need vag com or professional scan tool to see what the computer is seeing in temperature.
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Customer reply replied 10 months ago
I do have a scanner
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
What make and model scanner you have please?
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Customer reply replied 10 months ago
Obd1 and 2 Bosch
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
Bosch the green scan tool?
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Customer reply replied 10 months ago
Blue one
VW Mechanic: Wolfgang, VW Master Technician replied 10 months ago
Ok key on engine off go to read measure value block 1 give me the readings and 32
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