1987 Ford e-350 RV, runs great then loses power, stutters, bangs, pops and stops running. What causes this?

Asked by Oct 09, 2014 at 08:23 PM about the Ford E-350

Question type: Maintenance & Repair

I have a 1987 e-350 RV with 30,000 miles. Have replaced wiring harness, belts, hoses,
spark plugs, fluids, fuel filter. The engine is quiet & clean. But, when driving on trip, got
30 miles away & it started to bang & pop & not have power.  Found an ignition switch
cable not plugged; plugged & taped it.  Then drove about 100 miles.  Again, loss of
power, bang & popping. The shop duplicated the problem once but cannot again.  I
need this to take longer trips than 30 - 100 miles! What do I do?

2 Answers

69,625

Check the fuel pressure,may be fuel pump acting up.

104,295

1987 early TFI, have you ever replaced the ignition module and distributor pickup coil. Did the shop pull the codes and have a code 18 in the memory?

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