A loose wire would cause the horn to stop working on your Dodge Avenger 2.4L engine.
Could be timing belt/chain is worn
A couple of different things could cause hesitation in a 1999 Plymouth Breeze including bad spark plugs. There could also be an issue with the fuel filter.
EGR should turn on Service Engine light on 96 and later. The tube / pipe to the exhaust manifold can also become blocked. EGR could cause rough engine. Many other possibilities.
Intermittent hesitation in a car could be caused by many things. The fuel filter, the EFI, and spark plugs might be the cause. A loose wire can also cause this. Newer cars have many plugs and connectors that could have come loose.
Start by checking the EGR system.
One possible cause for a 1995 Dodge Avenger stalling when shifted into reverse could be a faulty idle air control valve. This component is responsible for regulating the engine's idle speed, so if it is malfunctioning, the engine could stall when the transmission is engaged in reverse. It is recommended to have the idle air control valve inspected and potentially replaced to address this issue.
There are many things that could cause hesitation on acceleration in a vehicle. It could be the fuel pump, the gas pump, fuel pump relay, or an electrical problem.
There are many things that can cause a 2000 Blazer to have hesitation problems. Some causes could be bad plugs and wires, fuel filter, or the EGR valve.
Could be the alternator has failed.
Several factors can cause hesitation when accelerating, such as a clogged fuel filter, dirty fuel injectors, faulty spark plugs, or a failing mass airflow sensor. It's also possible that issues with the transmission, such as a slipping clutch or low transmission fluid, could be contributing to the hesitation. A diagnostic check by a mechanic can help pinpoint the exact cause of the problem.
Possibly, yes. If the injection system is not providing a steady and regular supply of fuel to the engine, shuddering and hesitation could result. Note that the fuel pump is part of the fuel system, and can cause similar symptoms if it's failing.