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Turbo question

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evilneon02
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2002 Dodge Neon SXT

Post: #31   PostPosted: Mon Mar 06, 2017 2:08 pm    Post subject: Reply with quote

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evilneon02
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Post: #32   PostPosted: Fri Mar 24, 2017 7:43 pm    Post subject: Reply with quote

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evilneon02
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2002 Dodge Neon SXT

Post: #33   PostPosted: Sun Apr 02, 2017 6:03 pm    Post subject: Reply with quote

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evilneon02
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2002 Dodge Neon SXT

Post: #34   PostPosted: Sat Apr 22, 2017 4:10 am    Post subject: Reply with quote

Ok so now i have a new problem seems like after a few hard pulls on the turbo seems like the boost is messing with the brake booster almost like its causing the booster the engage my brakes. I push the clutch in and the car slows down fast and doesnt roll like it should. Could this be that i have the boost gauge and blow off lines t'ed into the brake booster hose. There has even been a few times where the brakes was hard to push.
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2001 Dodge Neon ES

Post: #35   PostPosted: Sun Apr 23, 2017 4:28 am    Post subject: Reply with quote

The check valve at the booster might not be good enough to keep boost from getting in. You may need to add a check valve to the booster inlet line.

Don't remove the exiting booster inlet nipple, just add an additional check valve.

No vacuum at the booster will cause the brakes to act like the engine has stalled.

I would put the blow off lines somewhere else. just the boost gauge should be fine, but anything else that will alter the vacuum in that line is asking for trouble.

Just tee'ing the IAC feed into the booster line gave me the same hard pedal symptoms. It took just enough vacuum away from the booster to make braking an unpredictable situation. feeding the IAC with it's own vacuum line cured the issue.
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evilneon02
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2002 Dodge Neon SXT

Post: #36   PostPosted: Mon Apr 24, 2017 1:00 pm    Post subject: Reply with quote

I finally got all the bugs worked out i think she ran like a beast this past weekend few more test runs the she goes on the road again
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evilneon02
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2002 Dodge Neon SXT

Post: #37   PostPosted: Wed Apr 26, 2017 9:12 pm    Post subject: Reply with quote

Well thought i had all the bugs worked out today new problem i have relocated the battery to the trunk and im haven a starting problem. When i try to start the needles on the gauges jump all the way over to the right then back to normal I turn the key and it's hard to start the first time but it does fire up once the car warms up and I turn it off it won't start back up so I thought it might have been a ground issue I added another ground wire to make a total of 3 then it still wouldn't fire up but I noticed I started getting a word fuse in my odometer so I changed out the 20 amp fuse that has the special little lift thingy on it after reading a post that that was the problem still didn't work changed it 2 more times still having a problem I change the starter fuse how to change the fuel pump fuse I've changed the auto shutdown fuse and I still have the issue once the car gets warm it don't want to crank up no more it acts like the battery is dying I have even taken my truck battery and hooked it up and it still acted funny trying to crank up has anybody else had this issue when relocate the battery to the trunk I'm running 4g power wire and (3) 6g ground wires someone told me it could be ground Loop under the hood I have a ground disk connected to the transmission mount where the battery tray hooked up I have one wire running to the fender right in front of the fuse box I have one wire running to D front clip right by the radiator I have one wire running to the transmission then on the passenger side I have one wire that goes from the strip Mount area to the engine bracket by the timing belt also one that goes from the strut mount area to the back of the head
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evilneon02
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2002 Dodge Neon SXT

Post: #38   PostPosted: Thu Apr 27, 2017 3:16 am    Post subject: Reply with quote

Also forgot to ask should i take my cat out not that im turbo and will it pass inspection
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Mr One World
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2001 Dodge Neon ES

Post: #39   PostPosted: Thu Apr 27, 2017 6:00 am    Post subject: Reply with quote

You either have a bad connection somewhere between the battery and the starter, or you need a larger (+) wire. Have you moved the battery to the front, and attached it with the original wiring just to verify the starter is not going bad?

The "fuse" message and cluster jumping is because the voltage at the PCM is dipping too low when cranking.
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JeremyJ
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Post: #40   PostPosted: Thu Apr 27, 2017 7:23 am    Post subject: Reply with quote

I know people who've passed inspection without a cat, but they were all turbocharged. Sometimes they just look for a check engine light, without doing the sniffer. It also depends on your local emissions laws; some are more strict than others.

It's a gamble for just a few horses.
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evilneon02
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2002 Dodge Neon SXT

Post: #41   PostPosted: Thu Apr 27, 2017 2:41 pm    Post subject: Reply with quote

Well I went out and got a battery with 800 cold cranking amps and the car fired up no problem let it warm up to see what it would do once it gets hot the people at the parts store were saying that it sounds like the starter was bad when it gets hot it expands and it's stopping something from turning as far as the cat I am turbo charged I was just wondering if the cat might have been restricting the turbo
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evilneon02
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2002 Dodge Neon SXT

Post: #42   PostPosted: Thu Apr 27, 2017 5:34 pm    Post subject: Reply with quote

So far i think it was just the battery crank amps was to small
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Post: #43   PostPosted: Fri Apr 28, 2017 7:29 am    Post subject: Reply with quote

Punctuation, man. Punctuate.
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evilneon02
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2002 Dodge Neon SXT

Post: #44   PostPosted: Fri May 12, 2017 12:41 pm    Post subject: Reply with quote

If im throwing code p0420 that would be my first 02 before the cat right ?
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evilneon02
pure evil
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Location: NC

2002 Dodge Neon SXT

Post: #45   PostPosted: Sun May 14, 2017 7:34 am    Post subject: Reply with quote

So i got my wideband installed for better tuning. I need a bigger fuel pump now anyone have any recommendations i seen so many with diffrent specs like a 255 LPH and a 450LPH any info would be greatly appreciated. Thanks
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Mr One World
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2001 Dodge Neon ES

Post: #46   PostPosted: Mon May 15, 2017 7:14 am    Post subject: Reply with quote

evilneon02 wrote:
If im throwing code p0420 that would be my first 02 before the cat right ?


P0420 is catalyst inefficiency, or the cat has been deleted.

I would think with low boost and a 2.0, the Stock SRT 4 fuel pump or Walbro 255 would be adequate.
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evilneon02
pure evil
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Age: 37
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Posts: 789
Location: NC

2002 Dodge Neon SXT

Post: #47   PostPosted: Sat May 20, 2017 6:22 am    Post subject: Reply with quote

Ok so here is the latest update so my car is an 02 and since the only write ups for turboing non turbo neons i can find are for ngc neons i had to figure the bugs out. So im running factory internals and ecu. With a safc installed i was haven a bad misfire and tried everything from spark plug gaps diffrent psi. It wasnt until i got the wideband installed that i found out the car was going lean so i want to try something out before i went and bought a fuel pump. I set the safc up just like you would for an ngc neon to hide boost and since im not ngc i wanted to try reverting the settings on the safc. And in the end it solved the misfire code. The safc was set up to pull 8% fuel out across hi throttle and that was wrong for my ecu. There was no need to hide the boost so far i have pushed 4 psi and no code for to much air or what ever the code would be for seeing boost today i will be going higher to see how far before the fuel pump is not enough.
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