Assuming it ran okay before you installed the new parts, double check the firing order. You may have crossed a couple wires.
Remove the spark plug wires from your 1997 Chevy Express 5.7 liter engine spark plugs. Remove the spark plugs with a 5/8 deep well socket, by turning the socket to the left. Reverse the process to install the new spark plugs.
sounds more like ignition problem. plugs, wires or distributor maybe.
First thing to do is replace all the spark plugs. If that does not help, replace the plug wires. If that does not help, run a compression test.
To change back3 plugs on 1997 OldsmobileI removed the alternator. It is a pain in the ...
What are the Best plug wires for 1997 Chevy truck? Today most plug wires are made using the same material. Just get wires for your vehicle model, mostly because they are cut to length.
with wires
There is no spark plug wires on the 2.4L twin cam engine, the spark plugs are located right underneath the top cover on the head
Is it running rough? I am wiling to bet you need to replace the plugs/wires. The roughness you experience is the sparking or arching with old plugs/wires. They cost about $45. Use a light coating of bulb grease on the ends of the the new wires, and replace them in the right order.
One for each cylinder.
How about the plug wires? If plug wires don't fix it I'd bet it's the injectors.
its broken. Have your spark plugs and wires checked. It sounds like you have one or more spark plugs that are not firing or are firing poorly. This may be the result of faulty wires or fouled plugs. You probably need new plugs and maybe new wires.
look for (probably black) wires, the size of a lead pencil, there should be 8 identical wires if the engine is a v8 (and it will be)each one leads to a spark plug above a rusty looking thing called an exhaust manifold.