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i have a 1986 olds delta 88 with a 3.8 liter with 141,000 ...

Sent to Car Experts March 31 05:18 PM

i have a 1986 olds delta 88 with a 3.8 liter with 141,000 miles.it runs fine when cold and in colder weather,but after it warms up,it bucks and jerks when going down the road at 70 m.p.h.! it also dies when idling.i had a mechanic put new fuel injectors on it.it ran better for 100 miles and then went back to same old way.it also has a new fuel filter and good fuel prussure.any suggestions?

 

Optional Information:
1987 Oldsmobile delta 88 3.8 L

Already Tried:
NEW INJECTORS,FUEL FILTER,FUEL PRESS.CHECK,NEW PLUGS AND PLUG WIRES

Customer (name blocked for privacy)
Answer
March 31 5:24 PM (5 minutes and 39 seconds later)
         
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