20 Most Recent 1990 Oldsmobile Regency - Page 5 Questions & Answers

check for loose connections in the wiring..

floor board

Could be crankshaft sensor.

gm was putting them behind the glove compartment in those days

Could be the fuel pump or the pump relay or the filter, or an ignition problem.Someone will have to determine if it is in fact fuel or spark related when it is running rough.

Look under the body on the drivers side near the doorIf not there, you should be able to follow the fuel linesto it

There are normally several shift solinoids 1st 2nd, 3rd 4th. one solinoid operates 2 gears. They are located inside the gearbox, you will need to remove the sump & determine which one you need to replace.

under the glove box

first pop the hood and locate the water pump pulley. drain the coolant into a suitable container. there will be alot of it so get a big container.use the correct size socket and loosen the four small bolts on the pulley.DO NOT TAKE THEM ALL THE WAY OUT YET. find the tensioner pulley and put a socket on the bolt and lift the pulley to release the pressure on the fan belt and slip it off the water pump pulley.now remove the bolts from the water pump pulley. now all you have to do is remove the bolts that attach the pump to the engine block. remove the pump and clean the surface of the the engine block where the pump connects to the block. don't scratch the matting surface of the block.oh disconnect the coolant hoses that attach to the water pump.BE CAREFUL THE COOLANT WILL DRAIN OUT OF THE BLOCK AND HOSES. DOGS AND CATS ARE ATTRACTED TO THE COOLANT, IT WILL KILL THEM IF THEY DRINK IT.have fun

try and start it in neutral the switch might be failing

so what are you working on make model and engine and year

Make sure you have all the scheduled maintenance up to date. You may just need filters and spark plugs.

no you have install a new sensor which should come with the remote