![Reply](https://www.fuelly.com/forums/images/fuelly/buttons/reply.gif) |
|
11-17-2008, 03:15 PM
|
#1
|
Registered Member
Join Date: Jul 2007
Posts: 81
Country: United States
|
VX Slow to Start
I have a '95 VX that is in very good condition. It has roughly 150K miles and it historically has ran well. At the moment it takes 2 - 5 seconds to start cold, but starts right away once it is warm.
Any idea what would cause this? It used to start right away either hot or cold. Is there any known VX fuel or ignition problems that might cause this? My spark plugs have about 30K miles on them and the fuel system is original including the fuel filter. The battery has a little corrosion on the terminal, but still spins the engine over quickly.
Also, once the engine is started it runs great and the fuel economy is reasonable for a VX.
Thanks!
__________________
|
|
|
11-17-2008, 03:16 PM
|
#2
|
Registered Member
Join Date: Sep 2005
Posts: 262
Country: United States
|
What oil are u running?
In winter, a 5w30 would be the best choice, or even better, synthetic.
__________________
|
|
|
11-17-2008, 03:20 PM
|
#3
|
Registered Member
Join Date: Jul 2007
Posts: 81
Country: United States
|
I am using Mobile 1 synthetic 5w20.
|
|
|
11-17-2008, 05:01 PM
|
#4
|
Registered Member
Join Date: Jan 2007
Posts: 324
Country: United States
|
Hey W.A.
You should try turning the ignition key on and wait for a couple of seconds so that the fuel pump can fully pressurize the line. My 92 VX starts very quickly each time I do this for temperatures between 0?C and 35?C. I have been doing this for a while now to reduce wear and tear on the 17 year old starter motor.
My guess is that the fuel pressure drops when your VX has been sitting for a while due to slight leakage of the diaphragm on the return line that runs from the fuel rail to the gas tank. You could test for this by installing a fuel pressure gauge on the fuel filter to see if the pressure is low when first starting the engine after sitting overnight.
|
|
|
11-17-2008, 05:20 PM
|
#5
|
Registered Member
Join Date: Apr 2008
Posts: 1,264
Country: United States
Location: up nawth
|
Quote:
Originally Posted by jadziasman
Hey W.A.
You should try turning the ignition key on and wait for a couple of seconds so that the fuel pump can fully pressurize the line. My 92 VX starts very quickly each time I do this for temperatures between 0?C and 35?C. I have been doing this for a while now to reduce wear and tear on the 17 year old starter motor.
My guess is that the fuel pressure drops when your VX has been sitting for a while due to slight leakage of the diaphragm on the return line that runs from the fuel rail to the gas tank. You could test for this by installing a fuel pressure gauge on the fuel filter to see if the pressure is low when first starting the engine after sitting overnight.
|
Beat me to it!
+1
regards
gary
__________________
![](https://badges.fuelly.com/images/sig-us/430003.png)
|
|
|
11-17-2008, 05:22 PM
|
#6
|
Registered Member
Join Date: Jul 2007
Posts: 81
Country: United States
|
I'll try turning on the key and letting it sit for a second to see if that helps when it is cold.
|
|
|
11-18-2008, 05:23 AM
|
#7
|
Registered Member
Join Date: Apr 2008
Posts: 445
Country: United States
|
You've stated that all your maintenance parts are old so why don't you replace them?
Replace the engine grounds. The factory grounds are barely adequate when new. Add in some corrosion and the two most noticeable symptoms are hard starting and rough idle.
__________________
Civic VX, D15Z7, 5 Speed LSD, AEM EMS, AEM UEGO, AEM Twin Fire, Distributor-less, Waste Spark
|
|
|
11-18-2008, 05:13 PM
|
#8
|
Registered Member
Join Date: Nov 2008
Posts: 1
Country: United States
|
I have a 92 VX that had developed a similar hard cold start problem.
It turned out to be deteriorated piece of rubber fuel line in the fuel tank. This rubber fuel line goes from the pump to the pump mount bracket fuel line pass-through. Once I replaced the rubber line (cleaned tank and replaced fuel filter) everything was back to normal.
Might be worth a check if all else fails.
|
|
|
11-18-2008, 05:15 PM
|
#9
|
Registered Member
Join Date: Aug 2007
Posts: 652
Country: United States
|
I agree that replacing the maintenance items is a great idea.
Wouldn't surprise me if simply the spark plugs are almost worn-out. I know my past two VX motors have quickly worn-out the OEM spark plugs I've used in them.
__________________
On the never-ending quest for better gas mileage...
|
|
|
11-18-2008, 05:22 PM
|
#10
|
Registered Member
Join Date: Mar 2007
Posts: 1,546
Country: United States
|
well could be a number of things: corrosion build up/starter getting weak/dirty ground path(causes all sorts of issues)/just cold oil/ let the fuel pump prime first to build pressure back up.
__________________
|
|
|
![Reply](https://www.fuelly.com/forums/images/fuelly/buttons/reply.gif) |
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
» Car Talk & Chit Chat |
|
|
|
|
|
» Fuelly iOS Apps |
|
» Fuelly Android Apps |
|
|
All times are GMT -8. The time now is 05:45 PM.