alternator???
hey yall my 98 ex is doing some weird things lately
once i start it the rpms go from 1200 (on cold engine) down to like 600 and back up and down until it warms up but even when its warm it still does it and while diving and when rpms go down the lights and the cluster and climate control all dim and stuff i was thinking its probably the alternator :confused: CE light went on last night when it was doing that so im gonna take it to shucks to check that today just wanted to make sure it was the alternator before doing anything what you guys thinking? thanks |
Pull the CEL codes and check whether 7.5A fuse 15 under the dash is blown. Read this TSB.
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checked the CEL code got P0303 cylinder 3 misfire detected lol
what do i do now? thanks ahead |
P0303: Start by checking the spark plugs, wires, distributor cap, and rotor.
Did you check fuse 15? |
yep fuse is fine
gonna check spark and distributor either tomorrow or saturday thanks for the help RonJ |
:eek:
ok people got a little story for ya so i took plug out of cylinder 2 my bro cranked the engine no spark ok plug from cylinder 4 no spark hmmm code said misfire in cylinder 3 then car was idling for a little while when i tried to start it again a little later it make a weird like groaning noise tried starting again and doesnt start cranks but i guess no spark from any of the plugs can anyone help me out here please? thanks |
If you crank the engine without grounding the plug wire or plug, it's common to fry the coil.
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i did ground it though
unless the valve cover doesnt count lol |
Check that the cam still rotates (timing belt not stripped). A blown coil is very possible, could have been weak in the first place causing the misfiring.
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ok changed the distributor cap
started up right away drives normal so far CEL still on idk if thats cuz the ecu needs time or if theres still a problem lol |
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