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check the timing,if its like my 89 v6 was,there's a connector on the passenger side firewall that has to be disconnected before adjusting the timing.
0 deg -or- TDC With the distributor timing connector disconnected.
there is no fuse located for fuel gauge. check connector. maybe it is lose or some wire is discontented. check connector and cable in the back seats.
Look a the emissions sticker under the hood of your car, it has the timing information there. Mine says disconnect the timing connector at the distributor and set timing to 0 degrees.then reconnect the timing connector I have a 4.3 vortec. After setting the timing you will have a check engine light, clear it by disconnecting the negative battery terminal or pull the ECM fuse for a few minutes.
Timing is probably off. Set number 1 piston at TDC and check the timing marks. If applicable, also remove cap from distributer and check position of rotor, it may need adjusting for correct timing.
It should be around or close to the 02 sensor. Check for a part dangling by a wiring and connector.
on the front bottom part of oil pan. just behind the bottom pulley.
1)SET THE IDLE TO SPEC., 2) PLACE TR-AXLE IN P (fAUTO) OR N (MAN),3)FIND TIMING ADJUSTING CONNECTOR FOR YOUR ENGINE TYPE, 4)CONNECT JUMPER WIRE FROM THIS TERMINAL TO A GOOD GROUND, 5)CONNECT A TIMING LIGHT TO #1 CYL. PLUG WIRE. START ENGINE, RUN @ IDLE, AIM TIMING LIGHT @ TIMING MARKS BY CRANK PULLY, LOOSEN DIST. OR CRANK ANGLE SENSOR HOLD-DOWN NUT TO LOOSEN HOUSING, TURN HOUSING TO ADJUST TO YOUR ENGINE SPEC, TIGHTEN HOLD-DOWN NUT, RE-CHECK TIMING, TURN OFF ENG., REMOVE JUMPER WIRE, REPLACE COVER ON CONNECTOR.
check the switch which is located above the brake pedal. needs adjusting or a new one!
To set the timing on a 1984 Chevy Celebrity with the V6 engine: 1. Disconnect the HEI connector so the engine will run in closed loop. 2. Start the engine and use an inductive timing light to check the timing. It should be at 100 before top dead center 3. If the timing is off loosen the clamp at the base of the distributor and turn the distributor so that the timing is set. 4. When you have set the timing tighten the clamp and verify that the timing did not change. If it stayed the same reconnect the HEI connector.
Fuel rail.
There is a bolt to check it on the recoil housing. Remove bolt that is at about 1 o-clock position on cover and check with timing light, mark should be at "V" in housing. I do not know about adjusting it though. Hope this helps. It is common for the exhaust lobes to wear out on the camshaft on some of these.