1999 Pontiac Firebird "bad ignition module cause hard" Questions

then you have bad valve guides and could require major engine work, or just some valve seals to stop the leak. The bucking and backfires could be caused by a faulty TPS or ignition module. Its a start

bad ignition module. They aren't too hard to replace, but you need a special tool. The module is located on the distributor stem at the back of the engine. Its held on by two small screws that need to

...all. Vacuum leaks, tune up parts, bad ignition module, clogged cat converter or muffler, low fuel pressure, leak between MAF and throttle body, bad coolant temp sensor, leaking head gasket,

...bad - easier to replace complete intake from scrap-yard then to pay $100.00 for new injectors each! 6. Coil-pack on ignition module could be cracked and may need to be replaced. These are only ...

...ignition coils and module, bad spark plugs faulty crank shaft position sensor,timing belt slip timing or broke,faulty ecm and theft security shut down.intake leaks, faulty idle air control

...this can be caused by many things. Could be as simple as changing the fuel filter, or a bad ignition module, fuel pump, air mass control sensor, etc. It will be hard for anyone to guess it ...

...ignition modulator too, the modulator is what the coils sit on.  Its unlikely but,...... Has happen before that you got a bad coil from where ever it is that you bought it from, I have heard a ...

...ignition, which is why I refer to it as simply the "distributor module".If the module is bad, you can replace only the distributor module.  If the pickup coil is bad, you will either have to ...

...ignition control module and coil. you may have bad or very dirty fuel injectors causing too much fuel into the cylinders causing rough running and smell of gas. do you have a fuel leak or too high ...

...bad ignition wires. There can also be a bad ignition module or pick up.Also it can be low battery voltage related issue.This all has to be checked to confirm the fault.Getting the car scanned at car ...