Possible electrical Issues

Tiny
JARHEADSCOTT
  • MEMBER
  • 2002 SAAB 9-5
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
Started losing power – little engine power, lots of dash lights, engine jumps as a misfire, windows were slow, wipers barely worked, seats would not move
Changed the alternator (bad bearing) and put in a brand new battery.
Car started like a new one and ran great.
Drove it for about 50 miles and shut it off. Car was slow to start as if the battery was dying.
Car sat for about 1 hour and restarted.
Drove about 4-5 miles and car started losing power again – transmission didn’t want to shift, little engine power, radio would stay on, and door chime chimed with the key removed, slow windows ect again.
Car shut itself off.
Was finally able to get one code to show up – P1312 (related to the DI Module) which could explain the engine jumping, but the other issues?
Monday, April 4th, 2016 AT 6:08 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check items in pic and make sure battery terminal ends are clean. Then check belt and tensioner, it may be slipping. Recommended replacement for both is 60,000 mi
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Monday, April 4th, 2016 AT 7:04 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
P1312 should be checked by a pro it's a short between ecm and ignition module
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Monday, April 4th, 2016 AT 7:05 AM

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