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Why is my 1997 Silverado 5.0 vortec stuttering and stalling intermittently?

1997 silverado 5.0 vortec. Intermittent stalling, sometimes completely stops running, sometimes just a stutter. It might happen two or three times a day and then not happen again for a week. I have replaced crank sensor and ignition control module trying to fix the problem. When scanned I get no code. I have recently replaced catalytic converter, o2 sensors and fuel pump, not because of the stalling but because the repairs were needed.

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6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

  • 15 Answers

SOURCE: BMW 328 i 1997: Start up problems / Stuttering / Engine Light

change the pcv valve its under the intake manifold

Posted on Feb 18, 2009

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csmock132

Clint Smock

  • 4669 Answers

SOURCE: Mustang, 1992 2.3L dual point OBD 1 error codes problem

Have you checked for spark on all 8 plugs? Unplug the exhaust side coil pack and run the engine. Does it run on all 4 cylinders?

Posted on May 27, 2009

Anonymous

  • 76 Answers

SOURCE: 2001 jeep grand cherokee 4.0 engine shuts off

it is possable/likely a bad ECTS (engine coolant tep. sensor), this can cause the injectors to allow to much fuel into cylinders and cause a low compression and or flooding situation, good luck, marty

Posted on Jun 07, 2009

super_guy

  • 1986 Answers

SOURCE: 1997 2.2L base Cavalier idles rough and randomly stalls

Have they checked your TPS sensor as this is the most common cause for rough idles and stalls...

Posted on Aug 21, 2009

roadsterred

  • 34 Answers

SOURCE: 2002 vw passat....starts fine and drives

It appears that your brake booster system has a major vacuum leak which is causing the engine to go lean and stall. Check the hose between the intake manifold and the brake booster. It may be cracked or loose causing outside air to enter the hose when the brake is applied.

Posted on Jan 15, 2010

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