Q: Nissan won't start once warmed up

asked by on April 30, 2017

Okay. Van starts up, I'll let it run for a little while (10-15mins) and I'll shut it off and it won't start. It'll turn over but doesn't actually start. No engine light on. ( it was on but we "fixed" the issues it needed). Van has new starter, battery, new o2 sensor, new mass air flow sensor. And it has been topped of with coolant. If I let the car sit for maybe 5-10 mins after I shut it off it starts right back up. I don't know what else to do or check for. EDIT: I just took the car for a test drive after driving 8 miles the car made like a rattling noise when I accelerated the more I pushed the pedal the louder it got, as I turned into my driveway my car shut off and won't start. I'll try to start it in a few mins when it cools down. (It didn't over heat and there is plenty of oil)

My car has 190000 miles.
My car has an automatic transmission.

Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is clogged, this causes these gases to be backed up into the exhaust system not allowing the engine to breathe properly. When this happens, the engine is forced to work much harder to expel these gases. This often results in the engine bogging down, hesitating, shaking and causing very poor fuel economy. This should also cause a check engine light to come on as the O2 sensors should be reading the incorrect amounts of oxygen in the exhaust gases if this is your problem. I would recommend having an expert from YourMechanic come to your location to diagnose and replace your catalytic converter.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

When trying to start the 2013 JX35 I pressed the brakes and push the start button and everything turn off even the inside light. W

It sounds like you're having an issue with the push button start system. It is possible that the issue could be caused by the push button itself. I would recommend having this particular system inspected by a qualified professional in...

Morse code beeps coming from Nissan Quest 2005

Hello. An electronic chime from your vehicle may signify that the computer has detected low pressure at one of the vehicle's tires. Your vehicle is equipped with a tire pressure monitoring (TPMS) system that will notify you if one or...

Sound coming from front wheel when driving / steering wheel vibration

Hello, thank you for writing in. When dealing with these types of situations, start with the simplest possibilities, and work your way up in complexity. Start by having the tires balanced. Make sure you have not lost a wheel weight,...

Related articles

2012 Nissan Sentra vs. 2012 Nissan Altima: Which One Should I Buy?
When you consider the Nissan Sentra versus the Nissan Altima, you need to realize that you’re crossing between two different classes of vehicle: the Altima is a mid-size sedan while the Sentra is a compact sedan. The differences between the...
The Top 5 Selling Cars in Florida in 2012
Florida Florida offers great weather year round, and the fact that snow and ice never factor into the equation means drivers don’t have to focus on the overall vehicle handling as they do in other states. The best selling cars...
A Buyer's Guide to the 2012 Nissan Quest
If If your family has gotten to the size where a minivan makes sense, you have a huge market to explore. Start with the 2012 Nissan Quest, though, and you may find that your search becomes a relatively short one....