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2005 Nissan Sentra 1.8 - Page 9 Questions & Answers
2011 nissan sentra won't start
Thank you you can start by scanning for codes, but a 02 sensor will not cause a no start condition
We will have to pinpoint what the engine is missing.
Spark
Fuel
Compression
All three of these are tested when the engine is being cranked over. There are two way of checking for fuel. Fuel pressure and fuel trigger. Both are very important and must be present for the car to start. Fuel pressure is self explanatory. You just hook up the gage and see what the reading is. Fuel trigger is check with a noid light. The injector gets unplugged and the noid light gets plugged in to the injector clip. With the engine cranking over, this light must blink. This is the signal to the injectors from the computer. You can have all the fuel pressure in the world, but it wont matter if the injector is not pulsing gas into the cylinder like it should! Compression tester, spark tester, fuel pressure gage and noid light are all accessible at your local auto store. All three tests play a very important part in diagnosing a no start condition I’m happy to assist further over the phone at
https://www.6ya.com/expert/john_4009e70b6376c95f
Driving less than 10km and engine overheat, replaced top gasket but still overheating
Hi Alpheus, Im AL the owner of Big As Auto Repair
Alpheus, overheating doesn't always mean headgasket. BUT, on some engines you must be very careful when placing the head gasket on the block because some heatgaskets can be turned either way and if placed wrong can cause overheating. Other things that can cause overheating are: Restricted Radiator, Inoperable Cooling Fans, Stuck Thermostat, Defective Water Pumps, Warped Heads. Hope this helps and please send people to my auto-repair-website at:
http://www.bigasautorepair.com/
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