On the 98 u have two oxygen sensors an upstream and a downstream. The upstream oxygen sensor is located closer to the front of the truck by the transmission. The downstream oxygen sensor is located on down torwards the back of the truck along the side of the frame.
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
There are 2 Oxygen sensors. One is on top of the catalytic converter called the upstream and the other is at the bottom of the catalytic converter called the downstream.
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
Bank #1 is the passenger side of the engine , and sensor # 2 is in the exhaust after the catalytic converter ( downstream )
Most modern Toyotas use a M8x1.0 nut for the O2 sensor flange bolts.
On a 1998 Hyundai Accent, the oxygen sensor (O2 sensor) is typically located in the exhaust system. There are usually two: one before the catalytic converter (upstream) and another after it (downstream). The upstream sensor is generally found on the exhaust manifold or just after it, while the downstream sensor is located near the catalytic converter. To access it, you may need to lift the vehicle for better visibility.
The oxygen sensor on a 1998 Pontiac Grand Prix is typically located in the exhaust system. There are usually two sensors: one before the catalytic converter (upstream) and one after it (downstream). To locate them, follow the exhaust pipe from the engine; the upstream sensor is near the engine, while the downstream sensor is closer to the rear of the vehicle. A video tutorial can provide a visual guide for precise locations and the removal process.
P0141 - downstream heated O2 sensor heater circuit fault ( Bank 1 ) according to my Haynes repair manual ----------------------------------------------------------------------------------------- P.S. bank 1 is the passenger side of the engine , the downstream oxygen sensor is after the catalytic converter ( or sensor 2 )
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