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1998 Vauxhall Vectra

Tiny
ROBBIEG60
  • MEMBER
  • 1998 VAUXHALL VECTRA
  • 4 CYL
  • 2WD
  • MANUAL
  • 173,000 MILES
Engine management light not illuminating wont start what can it be?
Saturday, October 10th, 2009 AT 7:30 AM

7 Replies

Tiny
DAVE H
  • MECHANIC
  • 13,384 POSTS
Does the engine management light come on with key in the start position (not cranking)? If not, could be a faulty PCM (computer). Have the vehicle plugged into a diagnostic computer. The light will not stay ON to indicate a fault untill the car is actually running !
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Monday, October 12th, 2009 AT 3:45 AM
Tiny
ROBBIEG60
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  • 4 POSTS
[quote="Dave H"]does the engine management light come on with key in the start position (not cranking)? If not, could be a faulty PCM (computer). Have the vehicle plugged into a diagnostic computer. The light will not stay ON to indicate a fault untill the car is actually running !Uote]hi dave h thanks for your reply and to ansewer your question on engin management light comeing on when I try ingn no I get no light at tall
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Monday, October 12th, 2009 AT 4:39 AM
Tiny
DAVE H
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  • 13,384 POSTS
NO light at all could be a faulty PCM/ECU (computer) or bad/broken wires to the PCM/ECU it will need to be plugged into a diagnostic computer to see if it can communicate. And if there are any fault codes !
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Monday, October 12th, 2009 AT 4:53 AM
Tiny
ROBBIEG60
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  • 4 POSTS
[quote="robbieg60"]

hi thanks for your reply befor I had this prob when I put the ignision on there was the engin management light on dash the car would start now I dont get light on dash now car wont start what can this be its been on a dio but showed nothing can you help pl
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Monday, October 12th, 2009 AT 5:00 AM
Tiny
DAVE H
  • MECHANIC
  • 13,384 POSTS
Did the diagnostic computer link to the car and show NO faults?. Or did it show no communication. Also could you check if you are getting a spark and fuel at spark plugs (check for spark and pull a plug after cranking to check if it has fuel on it)?
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Wednesday, October 14th, 2009 AT 4:41 AM
Tiny
ROBBIEG60
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Thanks for getting back to me the dio could not conect as there is no light on engine managment light on dash car was running fine till I parked in up for 10 mins then could not start it after that
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Wednesday, October 14th, 2009 AT 4:51 AM
Tiny
DAVE H
  • MECHANIC
  • 13,384 POSTS
I would start by checking you are getting power (live feed) and a good earth/ground to the ECU (computer) .. it could be a bad wiring connection/bad wire or it could be the computer has gone bad ... I do not have a wiring diagram for this vehicle .. your local library or autoparts store will be able to supply a repair manual (haynes etc.)with wiring diagrams ..


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Friday, October 16th, 2009 AT 4:09 AM

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