Engine mounts
It could be a stuffed catalytic converter.
No a bad muffler shouldn't, but a clogged catalytic converter will.
yes ,gud chance it is blocked
A clogged converter will cause an extreme loss in power, poor mileage, and hard starting. If it is clogged really, really, bad it may cause the engine to not even start.
Catalytic converter gone bad
A partially clogged converter can get red hot. It could possibly start a fire.
Some symptoms of a bad catalytic converter on a 1994 Lumina are engine stalling, engine backfiring, no start of engine, and poor power pick up. If the catalytic converter has rust holes, the vehicle will also be very loud when running.
catalytic converter?
It could be your catalytic converter... yes, catalytic converters clog on these often. its fairly easy to unbolt it from the exhaust manifold. if you take it off, shine a flashlight up from the bottom, you should be able to see light from the top.
To replace the catalytic converter on a Nissan Quest, first, ensure the vehicle is securely lifted and supported. Disconnect the exhaust pipes from the catalytic converter by removing the bolts or clamps, and then unbolt the converter from its mounting brackets. Install the new catalytic converter by reversing the process, ensuring all connections are secure and using new gaskets if necessary. Finally, lower the vehicle and start it to check for any leaks or issues.
Start the engine. The water will evaporate from the heat generated by the engine.
To change the catalytic converter on a Saturn Ion Red Line, start by safely lifting the vehicle and securing it on jack stands. Disconnect the battery, then remove any heat shields and exhaust components connected to the catalytic converter using appropriate tools. Unbolt the old catalytic converter from the exhaust system and replace it with the new one, ensuring all gaskets are properly seated. Finally, reassemble the exhaust components, reconnect the battery, and start the vehicle to check for leaks.