i Haynes står det som första punkt
"Afterburn (popping noises in exhaust)" sen hänvisas man till
1. Incorrect timing
2.
Malfunctioning Elecronic Spark Advance system
3.
Leaking intake air system
4. Incorrect idle speed
5. Defective throttle sensor or fuel pressure
sensor
6. Defective air control valve (ACV), deceleration control system dash pot or
anti-afterburn valve (AAV)
7. Malfunctioning bypass air control
(BAC) system or idle speed control (ISC) system.
8. Leaking or faulty injector(s)
9. Faulty secondary air injection
control system water thermo
sensor
10.Faulty air flow meter and/or intake air temperature sensor
11.Incorrectfuel pressure, malfunctional fuel pump control system or incorrect fuel flow at
idle.
12.Defective EGR valve
13.Incorrect compression pressure
14.Faulty control unit and/or control system (take vehicle to a dealer)
Blir en
del att gå igenom. Vad som inte står
men som jag tänker börja med är att kolla stift och kablar.