P0087 – Fuel Rail/System Pressure Too Low

This code means the engine control module (ECM) has detected that fuel pressure in the rail is below the required threshold.

A firmware package designed for chip tuning the Mitsubishi Lancer 8, 9, Carisma, Galant, Pajero, Montero, Outlander XL, and Lancer X.

This technical note describes ancillary drive belts for various engine models. It provides instructions on inspecting belts and lists compatible belt configurations for different petrol and diesel engines. Belts must be installed in the correct direction and never reused if over 30°C. Compatible belt parts are specified to avoid incompatibility issues.

MANUAL DE EMPLEO - Citroen C4.

P0430 – Catalyst System Efficiency Below Threshold (Bank 2)

This code means the catalytic converter on Bank 2 is not cleaning exhaust gases efficiently enough.

Nissan, Infiniti, and HITACHI firmware for Bosch ME7.9.5 and HITACHI ECUs is designed for chip tuning Nissan and Infiniti vehicles with gasoline engines. This package includes a large number of firmware versions for the most popular models from this Japanese manufacturer. Euro-2 versions are available for all firmware versions.

Manual de Taller Fiat Motor Tipo 1.4 - 1.6.

Instrukcja obsługi - Citroen c3 Picasso.

P0300 – Random/Multiple Cylinder Misfire Detected

This code means the engine control module (ECM) has detected misfires occurring randomly across multiple cylinders.

Unlike P0301–P0304 (specific cylinder misfires), P0300 indicates the issue is not limited to one cylinder.

This makes diagnosis more complex — and more important.

Description: Mitsubishi Diesel (DENSO) Firmware Set.