1998 Mitsubishi Legnum Car wont start after raining

Tiny
SHYEENW2005
  • MEMBER
  • 1998 MITSUBISHI LEGNUM
  • 1.8L
  • 4 CYL
  • FWD
  • MANUAL
  • 211,000 MILES
Hi there have just replaced fuel, pump and filter, and crank angle sensor, was running perfectly fine until it rained the other night went out to try and start the car it wont go it is trying to start and when it does it kinda coughs and splutters then stalls on me, we have assumed that there is water getting in somewhere but not sure where, it is a ST GDI and we just dont know what else to try we have just recently yesterday sprayed whole engine with WD-40 to try and drive any moisture out to see if that is the problem, any suggestions as to why my car would be doing this would be awesome dont want to keep throwing money into the car parts that dont need to be replaced if they dont need to be
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Sunday, April 20th, 2014 AT 4:29 PM

5 Replies

Tiny
MHPAUTOS
  • EXPERT
WE first need to establish if you have fuel pressure, spark and injection pulse, can you do this? And can you do a diagnosis scan?
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Sunday, April 20th, 2014 AT 5:31 PM
Tiny
SHYEENW2005
  • MEMBER
Hey there the scanner that is available will not read my ECU unit do cannot scan, is there any other way to test it
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Sunday, April 20th, 2014 AT 10:15 PM
Tiny
MHPAUTOS
  • EXPERT
Check for fuel pressure, spark and injection pulse first, you do not need a scanner for that.
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Monday, April 21st, 2014 AT 1:23 AM
Tiny
SHYEENW2005
  • MEMBER
Could you please guide me through how to do these things as ive never had todo these things before sorry im a female lol
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Monday, April 21st, 2014 AT 1:46 AM
Tiny
MHPAUTOS
  • EXPERT
With plug lead off place a screw driver in lead and place exposed shank of screw driver near metal surface do not hold, crank engine and you should see a strong spark jump. Place a finger on an injector while the engine is being cranked, you should feel a click, or plug in a noid light to the injector plug and it should flash with the engine being cranked. Fuel pressure should be tested with a pressure gauge.
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Wednesday, April 23rd, 2014 AT 2:13 AM

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