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1997 SAAB 900s 2.3 non-turbo fuel problem?

Tiny
SDR119
  • MEMBER
  • 1997 SAAB 900
  • 4 CYL
  • FWD
  • MANUAL
  • 171,000 MILES
It started to idle irradically and it spit out a code for misfire cylinder 4. Was told to replace plugs, wires, dist cap and it would be ok. Did all those, it started doing this again. Te whole car shakes and it has no power. I replaced the camshaft sensor, the pcv valve, fuel regulator, fuel filter. I dont now what else to replace and Im tired of guessing. I took the car to a saab dealer and they could not tell me what was wrong with it. It seems like the engine is not getting enough fuel. The fuel pump seems to be fine.
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Saturday, March 19th, 2011 AT 7:40 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the spark plug, compression and fuel injector on #4 cylinder.
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Tuesday, June 14th, 2011 AT 5:42 AM
Tiny
MNTHNY4
  • MECHANIC
  • 612 POSTS
You may need to replace the dist itself or change the module inside of it, good luck, check your junkyards for a good use one.
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Thursday, June 23rd, 2011 AT 11:56 AM
Tiny
DEREKOLIVEIRA
  • MEMBER
  • 23 POSTS
If you checked what rasmataz said and you dont find any thing wrong, check signal from ECU to injector 4 and the + from main relay to injector 4
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Sunday, July 3rd, 2011 AT 8:50 PM

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