Automotive

In addition to ignition, power and monitoring gauges and lights, today's motor vehicles feature computerized engines, transmissions and braking systems, electronic mapping systems, Bluetooth and Internet connectivity, sensors that detect other vehicles, motorized seats, and digital audio and video systems; several manufacturers are producing electric and hybrid automobiles and self-driving cars.

Share tech news, updates, or what's on your mind.

Sign up to Post

A feature on Tesla vehicles and their impact on the automotive industry.
0
Want to be a Web Developer? Get Certified Today!
LVL 9
Want to be a Web Developer? Get Certified Today!

Enroll in the Certified Web Development Professional course package to learn HTML, Javascript, and PHP. Build a solid foundation to work toward your dream job!

I wrote this article because EE Articles rank high in search engines and anytime we can share our experiences where others may benefit from them then we all win.

I have a 2002 dodge grand caravan that I bought used in '06 at 65k miles. It's been a pretty good vehicle but steadily declining now at 160k miles.  Starting to have to replace lots of stuff...  On a side note I also have a 94 Honda civic with 330k miles, and I think about the only things that have been replaced on this automobile have been the brakes and the radiator.

Anyway, a little while back I started to get an intermittent gas smell in the cabin and around the car but it would go away.  I thought maybe the gas cap was not tightened properly after a fill up or perhaps an emissions line was loose.  The smell would come and go randomly.  Then, not too long ago after I replaced the radiator for the 2nd time, I was working on a heater core hose and noticed the gas smell.  I traced it down to the fuel rail which runs down the center of the valley.  I could actually see it dripping onto the manifold, but could not see the source.  I took the air intake off and the leak vanished, so I went for the obvious and replaced the top and bottom fuel injector o-rings.  These had never been replaced and the ones in the engine were in bad shape, but the ones in the fuel rail seemed ok (and the fuel rail is where the leak seemed to originate from). Anyway, the next day I could smell gas again and this time I was able to see …
1
 
LVL 1

Expert Comment

by:DrMadAxe
Comment Utility
"It turns out, the fuel rail has an over-pressure relief valve on the top side of it. This is a non-serviceable part and can leak intermittently.  Dealer obtained the part for me for about $80; a little labor, and the gas smell is gone. "

YES! Thanks so much for this. 2001  Chrysler Town and country owner! So far water pump, brakes, tune up, radiator and fan relay ( located under driver side headlight of all places )
0
 

Expert Comment

by:Kar Fixer
Comment Utility
Great post, except for one thing. That device that leaks is not a "over pressure relief valve". If you think about it, it would be insane to vent excess fuel into the engine compartment to regulate pressure. It is actually a fuel pressure pulse dampener. This particular fuel pump has no return line to the tank to regulate pressure. It works off of a PWM (Pulse Width Modulation). Instead of a continuous flow of fuel from the pump, the computer pulses the pump to maintain pressure. This creates pulse pressure waves in the system. To cancel these out they install the pulse dampener. I see a lot of guys prying it off, replacing the O ring and taking their lives into their own hands. This was not meant to be removed once it is installed. Don't try this because the possibility of it coming apart is way to much to to trust. Replace the fuel rail. It lists for $107.00. With all the complaints of this there is the possibility of a future recall so save all your receipts!
0
This article was published in 2011 before the proliferation of "free" navigation apps for the iPhone. I have added some edits at the end of this article with some more recent information that applies to newer models of the iPhone.

I have used the Garmin Nuvi for a few years and been very pleased so my expectations in an iPhone solution are very demanding. My criteria for an acceptable solution are:

1. Windshield mount that charges and enhances GPS reception.
2. App uses live maps so I don't have to download updates.
3. Capable of doing everything my Nuvi did.
4. Affordable!
5. User friendly for my wife (she has to use something since she gets lost in our neighborhood).

My solution was a long time coming. I did find that TomTom created a windshield mount that would do everything I was looking for but at the time, it would only work with the TomTom app. Additionally, the TomTom app required their mount and was too expensive. The app is currently $50 which puts it on the high side for me.

The event that re-energized my desire to search for an iPhone solution was updating the maps on my Nuvi. I noticed a link on Garmin's site that indicated an available iPhone app so I jumped at the opporutnity. The app was $35, which was still higher than I wanted to pay but I decided that, based on what it promised, it would be a good solution. I also found a windshield mount that met my requirements for only $100 (iPhone Windshield Mount
1
 
LVL 4

Author Comment

by:jimtpowers
Comment Utility
Hi @stone5150,

I'm wondering what the status is?
0
Comparing Two Hi-Tech Remote Security Systems

When looking at automotive security systems, I was quite intrigued with how far they have progessed. More like a PDA type applications, these newer and top end systems have remote displays to advise on a variety of "states" from remote start/stop through to inside temperature, locks, location and so on.

I have picked two that impressed, but there are quite a few and you really should do your own research. Here is one of many links available to help you along the journey of your own reviews : http://car-alarm-review.toptenreviews.com/learning-center.html . In the meantime, happy reading.

Autopage RS915 2-Way Remote Start / Security System

The future of automotive security systems has arrived! Autopage has released their latest 2-way remote start/security system featuring a 6 channel alarm system, and a 120dB siren. The all-new 2-way LCD remote has a 7 color background option that displays that current status of the vehicle. The LCD screen will tell you if the car is started, if it is locked or unlocked, or if someone is breaking into your vehicle. The install kit also includes the all-new 5 button, extended range metal remote that covers an astonishing 1 mile range.

This is clearly the way of the future, and it is currently only available for after-market installation. It will only be a matter of time before the major car manufacturers pick up on this hi-tech device, and install it on their latest …
0

Automotive

In addition to ignition, power and monitoring gauges and lights, today's motor vehicles feature computerized engines, transmissions and braking systems, electronic mapping systems, Bluetooth and Internet connectivity, sensors that detect other vehicles, motorized seats, and digital audio and video systems; several manufacturers are producing electric and hybrid automobiles and self-driving cars.