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  1. C

    87 R10 Cuts off at stop lights

    borrowed a obd1 scanner...pulled code 34 map/vac sens lo and I pulled data and noticed it was rapidly running lean then rich lean then rich.....Map sensor reading were 38kpa @ 1.54v and TPS .82 (idle) While in Drive with foot on brake Map is 55kpa @ 2.38v Temp @ 185 degrees (running...
  2. C

    87 R10 Cuts off at stop lights

    I appreciate everyones help...if it is fuel pressure issue why does it only do this when its at operating temp
  3. C

    87 R10 Cuts off at stop lights

    ill order one thanks a lot!!
  4. C

    87 R10 Cuts off at stop lights

    what does that mean? lol
  5. C

    87 R10 Cuts off at stop lights

    I replaced coolant temp sensor in feb. because it flat out wouldn't start when it was 40 degrees outside
  6. C

    87 R10 Cuts off at stop lights

    also I forgot to say it runs great when you first start it up but once it gets about warm it wants to run like crap
  7. C

    87 R10 Cuts off at stop lights

    how do I go about that theres no Schrader valve
  8. C

    87 R10 Cuts off at stop lights

    87 Silverado cuts off at stop lights in drive and neutral. stumbles and cuts out on accel surging real bad just very unresponsive. new IAC New Injectors I have checked for vaccum leaks....The previous owner installed a holley tbi and had 350 injectors in it (its a 305) please help!!

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