in the gas tank
On a 1990 Cadillac Seville, the fuel filter is typically located along the fuel line, either underneath the vehicle or within the engine compartment. In most cases, it is situated between the fuel tank and the engine. To locate the exact position, consult the vehicle's service manual or seek guidance from a professional mechanic.
The fuel filter is located in or under the driver side frame rail.
Most fuel filters for injected GM vehicles are on the drivers side, under the vehicle.
Electronic Fuel Injection ( EFI )
There are seals top and bottom of injector. Either the seal is defective or loose
Under vehicle, driver side, below seating area, near fuel tank, mounted on frame rail in fuel line.
87 Unleaded. But use 89 once in a while to keep the engine clean.
on the frame directly below the rear passenger door. its bolted to the frame.
A catalytic converter can turn red in a 1990 Cadillac Seville due to excessive heat, often caused by a malfunctioning engine or fuel system. This could result from issues like a rich fuel mixture, misfiring spark plugs, or a clogged exhaust system, leading to increased exhaust temperatures. Additionally, a failing catalytic converter itself can contribute to overheating, further exacerbating the problem. It's crucial to address these underlying issues to prevent damage.
If the fuel gauge is not operating on your 1994 Cadillac Eldorado touring coupe, you might have an issue with the sensor or with the fuse for the fuel gauge. You will need to check your electrical system first.
there is a button near the spedometer display that switches us and metric