Question about 2003 Dodge Intrepid

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Have a 2003 intrepid 3.5 first the heat only blows cold air, there is am tic in the motor that sounds like its low on oil,when driving the noise gets louder as i accelerate,then the check engine light and the oil light come on,the car dies and will not stay running until some time has passed,after a period the car will run again but the check engine and oil light are no longer on.and it begins all over again

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  • Dodge Master
  • 75,822 Answers

1st you need to hook up a scan tool and see what fault codes are stored in the control modules memory.

Posted on Jul 06, 2017

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6ya6ya
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Posted on Jan 02, 2017

  • 512 Answers

SOURCE: Heater blowing cold air on 2003 Dodge Grand Caravan

misty check the water level in the radiato...if it is low the last thing to get any water is the heater core..if low you will need to find the reason...like a water pump or headgasket leaking

Posted on Nov 12, 2008

motor1258
  • 6674 Answers

SOURCE: 2002 caravan, heater problems

That was a common complaint a few years back, due to the fact that the heater core is a little too much higher than the engine, which requires that extra push it gets when engine RPM's increase. One thing I did do on my Caravan was remove my hoses to the heater core, and use a small external pump with hoses to circulate C.L.R. through my core for a while, then let it sit with CLR in the core overnight.Next day I circulated it through again, both ways by reversing hoses, and then re-attached hoses, bled air out of system, and notice quite an improvement in heat at idle. Once cleaned out, the heater core allowed coolant flow through it better at idle. If your stumped by explanation, take it to an automotive shop, or a Rad shop, and get a quote on flushing that core out for you. I recommend the CLR, but it might be too time consuming for you , but a flush will probably show some noticeable improvement.

Posted on Nov 23, 2008

old marine
  • 1979 Answers

SOURCE: No Hot Air

Check your coolant level. Service it if it is low. If it looks like it's at the proper level, check to make sure all air is bled out of the cooling system. There should be a bleeder fitting near the front of the engine, probably close to where the upper radiator hose connects. With the engine running, slowly open the bleeder to let air escape. When you see just coolant coming out, close it again. Do this every couple of minutes until no more air comes out.

Posted on Feb 25, 2009

xxsodasipper
  • 93 Answers

SOURCE: 2004 Dodge Intrepid heater problem

This sounds like your automatic climate control is starting to malfunction. Check to make sure your coolant is full, and temp is not fluctuating, and when your vehicle is warmed up, try using the low setting and feel for air temp. Is it warmer than if you turn it up? When at idle the vehicle is not producing heat the same as if you are driving, putting load on your engine and more air/fuel combustion means more heat, which is why you can feel heat while driving. Ideally you should feel heat as soon as the engine is warming up, getting hotter as it reaches peak temp of 190-210 degrees. You can try to make sure your water control valve is not blocked, and all electrical connections are secure. This will be located close to your firewall and connected to the coolant tubes that run into your firewall to your heater-core. Also use recirc (setting)to try to summon as much heat as possible, however ultimately, you may need to take you vehicle in for service. If it only warms when driving defrost will be an issue. Good luck.

Posted on Dec 09, 2009

Testimonial: "Thanks for your posting it help a lot and fixed the problem. I was happy that you not only were able to tell me one option to attempt but multiple ones if the first did not work. The directions were also very easy to understand for someone that is not mechanically inclined. Once again thank you for your time and answer."

  • 77 Answers

SOURCE: SMALL PROBLEM ROUGH IDLE.SMALL VIBRATION WITH

You need to find out what DTC the vehicle sets when the check engine light comes on. This will help you diagnose the problem. The engine is misfiring causing the rough running concern and probably the vibration in the dash. The DTC will tell you what specific cylinder the misfire is in P0300-304 or if the fuel is metering too lean P0171. Then you can check the appropriate system for a fault. you'll need to get a generic OBD2 code puller (local parts stores sells these things). let me know what specific DTC's you pull and I'll see if I can help you further.

Posted on Jan 26, 2010

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1 Answer

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