My 2002 Jetta won't start

Asked by Jun 12, 2016 at 10:33 PM about the 2002 Volkswagen Jetta GLS 1.8T

Question type: Maintenance & Repair

My 2002 Jetta won't start but will turn over
here's a list of things I tried to do to repair
the issue I have replaced the fuel
pump,fuel filter,fuel pump relay, all fuses,
spark plugs and oil, and the o2 sensor,
have cleaned mass air flow sensor and
injectors, have done a power test to
injectors and they all get power and the
motor is getting fuel, checked starter and
alternator both working

2 Answers

13,035

Have it read for codes, even if the check engine light is NOT on the computer will have stored information and codes. Discount auto stores will read codes for no fee. write them down. How is the IGNITION SPARK?

10,445

spark and air. most issues for starting are often to do with poor vacuum with these engines. the 1.8 engines have been known to get finicky in there older ages. check for signs of leaks especially at the 4 point coolant flange located at the end of the engine block. Often this flange breaks and the temp sensor goes bad which often will cause a starting issue. so if you been smelling weird smells under the hood or low antifreeze levels this is likely the cause.

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