Motor Died While Driving

[100-1/2]

Driving up a hill in my 1989 4x4 Xcab with 3.0L V6 @ approx 3k RPM. Bottom dropped out of motor and tried to die. Needed lots of gas and had no power topping the hill and ran real rough. Pulled over shut off motore and visible inspection under hood revealed nada. Tried to restart unsuccessfully. Turn over but no fire. Push start to run with lots of gas, and same no power and running rough.

To this point, new cap, rotor, coil and Fuel Filter. Spark plugs are damp with fuel and cylinders have good compression. Able to get started at one point and put a timing light on to find about 30 degrees advance as low as could idle without dying (1-1.5k RPM). Pulled timing cover and set TDC to check timing marks which were all good.

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Thx
100-1/2



Oh, yeassaa. All clear from dash light when shorting out diagnostic circuit under hood.

[Zero Hour]

Smoking out the exhaust or anything like that? Found anything else on the truck to be wrong/not wrong? This one sounds like it would definitely be a challenge Have you checked your cylinder compression? And I assume you mean by alot of gas you're flooring it right? Are you sure it's maintaining fuel pressure and such?

[Dinky]

Having the same issue. Have narrowed it down to the cold start injector (doubtful), the timing unit near the injector (doubtful), ECU (most probable) or the relay above the ECU. Talked to a pretty good mechanic on this and he says it is 50/50 on the ECU. Reason I know all this is check out all the timing components, was getting white smoke, advanced 20 degrees to start and limp home, and all the marks on everything and TDC lined up. One other thing. Sometimes the rotor cap can crack and short to the distributor to that is a cheap check. If you can get an ECU out of a clunker and check... Get a Haynes book and look at what is in the ECU circuit. Also, the book has all the resistances to check the pickupcoil, igniter, etc.

[redfox435cat]

cat could be cloged