mwhjr

1984 Ranger V6 55,000 miles. Intermittent problem, runs fine most of the time. Cranks but will not start,backfires through carb./acts like timing is way off while cranking, has a manual trans.-can drift start and it will run fine, may be ok for a month and then acks up again. Have checked timing, replaced ig. module, dist. pickup, coil, carb.

 

Chongo

84 ranger starting problem
1984 Ranger V6 55,000 miles. Intermittent problem, runs fine most of the time. Cranks but will not start,backfires through carb./acts like timing is way off while cranking, has a manual trans.-can drift start and it will run fine, may be ok for a month and then acks up again. Have checked timing, replaced ig. module, dist. pickup, coil, carb.


Is there a cel ( Check engine light ) lamp lit ?
Is it missing under a load ?
When if ever has the plugs and wires been replaced?
Loosing power ? Fuel pump related issues


There are a few possibilities to start off with:

1: Crank position sensor, with your year model, it’s most likely in the distributor.

2: bad plug wires

3: bad plugs

4: fuel filter ?

5: fuel pump intermittent problem.

6: stuck EGR valve. CEL only

7: processor ground and power supply, check connections. CEL may not illuminate.

8: Map sensor. CEL only.

If there is a CEL lamp illuminated you’ll need to retrieve the codes, If there is no CEL lamp, then try the other possibilities.

Good luck……….. Chongo