Recently I had trouble lighting my diesel heater it gave off a lot of smoke without lighting.i sent the heater back to pinnacles and they returned it to me saying that there was nothing wrong with it So i re installed the heater and had the same problem,after further investigation and being totally frustrated i puled the muffler and the exhaust apart,and to my surprise I found it totally blocked with a wasp nest,cleaned it and it works fine this may help if anyone has the sme problem. Regards Ken
This happens occasionally. I have not experienced that myself. I was advised to cover the ends of both pipes between uses. What happened in my case was the lighter weight fresh air intake hose was peppered by gravel the wheels through up It was badly damaged and constricting the air flow. I replaced it and encased the new one in clear plastic tubing to protect it.
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PeterD Nissan Navara D23 diesel auto, Spaceland pop-top Retired radio and electronics technician. NSW Central Coast.