1993 Buick Riviera "bad power pack cause spark" Questions

...power and ground being supplied to the pump, to eliminate the possibility of a bad relay or electrical issue. Fuel pressure can be checked with a pressure gauge and if there is pressure, pulse can be ...

...are bad ignition wires, coil pack, lose of power to coil pack, no ground for coil system, the PCM controls ground for the coils so it could be bad connection, bad coil drivers or just a PCM

...bad o2 sensors. but not sure what the problem is. and when i drive sometimes it jerks. what could the problem be The spark and fuel system needs to be inspected.--------- The spark plugs are getting ...

...bad it will cut the power to the rest of the vehicle because all the power must go through your ignition before it makes it to your other systems. I hope this answers your question and gives you some ...

...spits and sputters, changed plugs wires and fuel filfer made no difference could be bad coil pack or spark plugs check coil for cracks causing it to intermitenly fire or bad plugs causing power

bad so I replaced coil pack. All power came back and ran great. Later that week it started missing again, occasionally. Now, 2 towers on the new coil pack are out. Could the resistor or primary wiring

power when passing and would cause the check engine light to blink when you are into the throttle and then stop once you let off the throttle. This could be caused by a faulty coil pack or a bad spark

...power,ck eng. light is Motor is skipping lacks powerck eng. Light is flashing A flashing light means you're actively misfiring. Have the ECU scanned to find out which cylinder it is. Bad coil ...

...power most often comes from one of two things. fuel pumps when they get old begin to fail slowly when they heat up.to check for this disconnect fuel line when engine is cold collect fuel in something ...

...power good fuel but no spark at coil or plugs Check the grounding surfaces on the coils. Also, check your ignition module, it may be malfunctioning. Many coil problems are actually caused by other ...