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rough driving/idle problem 200 1990

posted by  tonkyman on  Mon Mar 21 02:33 CST 2005
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David is right, fix the charging system and the other problems will clear up. As the voltage starts to drop, after it's jumped, the fuel pumps run slower and slower and the coil produces less spark and everything that needs 12 volts starves until it dies.

You kinda answered your own question when you said it runs fine with the jumper cables hooked up ........ ding, ding, ding, 12 volts good ----- less voltage bad.

Good luck,
Tony
--
Tony Turner 89 Volvo 240DL 257K, 92 Jeep Cherokee 250K, 93 Jeep Grand Cherokee 215K, 1980 Mercedes 240D 360K






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