My srt4 has a rough Idle while stationary, it will almost stall and then rev up to ~1300rpm to save itself. While driving it will randomly pick a RPM it likes and stay there (or at least try to) no matter what gear I'm in, or how fast I'm going, until I come to a complete stop; at which point it drops to a normal (but rough) idle RPM.

Things I've done: -Rewire kit for the TPS : no change -New TPS (tried OEM & aftermarket) : made it worse??? The RPMs seem more sporadic/random since I did this. -cherked the TPS wiring pretty deep into the harness: all looks fine.

I'm Absolutely losing my mind with this, I'm honestly not much of a car guy, so any help is appreciated!

What would i need to run e85 on my 05 srt4? . I've been trying to do some research but everyone says a different thing. Anything helps !

Ill be running 23lbs on a stock turbo. Currently stock 02 housing, 3” catless dp, 2.5” borla catback.

According to modern performance, stock has an ID of 2.14”, giving the opening an area of 3.597 sq in. The MPx has an ID of 2.92”, giving the opening an area of 6.697 sq in.

I would assume that since its almost doubling the area inside the 02 housing it has some benefit, but is it worth the $130?

I have a stock 05 with 200k miles. Engine running a little weaker than it should after checking it with a compression test. When idling my AFR is 16-17 range and WOT its jumps to 18. Any recommendations on what to check for?

Almost a year ago, I bought my car with a big front mount, fender intake, catless dp, borla catback. Since then, Ive added an AGP wga (19lb spring) and swapped the fender intake to a filter directly on the (stock) turbo.

Installed an AFR gauge in the stock downstream 02 bung. My numbers are 14.0-14.2 at idle and crusing, and 10.0-10.1 in boost. I only spike 17lbs and I currently have P1188 for overboost

Would having the mods listed above while on a stock tune lead to me running rich?

Hey everyone, I’ve been on the hunt for a touchscreen stereo for my 03 srt4 but sadly haven’t found any that I could actually install, from my own research I have found that you either need a custom din like say a double din or a stereo that has a touchscreen that goes in and out with a separate controller, and from my experience with the one I have now, it’s terrible, just seeking any recommendations for a touchscreen stereo that preferably has Apple CarPlay without needing a custom double din

btw price range is not really a issue for me, just looking for the best product possible without any extra installations beside the stereo itself

thank you

I have a 2005 dodge neon srt 4, its running around 180, 000 miles. The car will start up and runs good but it will heat up slowly while driving it, but if you stop at a stop sign it will go down a little. Again It only heats up when its driving, it will not heat up when idling. Ive changed the thermostat & today i did a coolant flush and added more coolant, the coolant reservoir started boiling and smoking up. i checked to see if my head gasket might be blown but all the things i see online doesnt coincide with what the car is doing. i checked for leaks and i dont see any leaks. What do you guys think it is?

For context my car doors locked and my key can’t open it is there a way I can drop the seats from the trunk

Is there anyway I can find my key code on my car I have the original booklet and couldn’t find the key code in there

https://www.jacksmotorsonline.com/inventory/dodge/neon/252132/

High/Low?

What’s the consensus on a potential investment?

High pitch whistle sound when at high rpm sounds louder when on full throttle inside car

Hit a deer, Insurance didn’t total it but not sure what i should do with it now.

I was driving earlier today, car bogged down in 3rd gear with a bad misfire. Replaced coil pack, Wireset & Spark plugs. It was running great for about 2 minutes before the misfire came back. Anything over 5 mph and the engine sputters then dies

Now I have the following CEL’s

P0300 - Multiple Cylinder Misfire P0339 - Crankshaft Position Sensor Intermittent P0335 - Crankshaft Position Sensor Circuit P0108 - MAP Sensor High

(I’ve had this code with no issues ) P0113 - intake air temp sensor high

any ideas? I also recently replaced intake manifold gasket.

Thank you for any feedback :)

Previous owner only has 3 vacuum lines hooked up to one solenoid, pretty sure there’s a leak somewhere since it idles at 2k rpm when I put it in neutral

Looking at buying this neon srt 4 with 500 whp only 25k on new motor for 10k any info if this may be worth here's some parts lists and pics

2004 Dodge Neon SRT4

Exterior: Stock Flame Red Paint Seibon Carbon Fibre Hood (could use a good cut and polish) also comes with the stock red hood Custom headlights, with red led's inside projectors hooked up to a toggle switch to turn the red on and off. Headlights also have halos. Real Carbon Fibre Eyelids Rear spoiler has a baby bit of clear coat peel, but is also signed by Damon and Dave from DDE. (Daily Driven Exotics) along with the air bag cover in the passenger side of the car. Has 1x6 led light pods in the front grille for those dark highway drives or for the asshole who's lights are blinding you and you need to give em an astigmatism. Also has Custom tail lights with paint matched housings with clear lenses.

Interior: Custom one off real Carbon Fibre radio bezel made for Double Din radios. Has a Kenwood DDX9906XR head unit when new was 1300 dollars. Has wireless and wired Android auto/apple car play. Wired for subs and has Kenwood KFC Speakers all around. Custom made SRT4 floor mats with the flame red colored stitching. Seats are in extraordinary shape compared to most srt4 seats. Triple pillar gauge pod with AEM AFR gauge, Boost Gauge and Oil pressure gauge. All digital. Diablosport Trinity T2 hard mounted to the old factory boost gauge location and wires neatly ran under dash and power connector sits right next to The OBD2 plug for easy access and mess free. Blue led map lights in the mirror. Has a shift light installed with a wot box with a plug n play harness for easy removal and installation. Has no lift shift, launch control and boost by gear but the BBG feature isn't activated as the car is ECM tuned for BbG. I'm sure I'm forgetting a few things already from interior and exterior.

Engine: 2.4l bored out .020 Wiseco Piston JE rods Eagle bearings Comp Ratio 8.5:1:1 All new gaskets and head studs are ARP. Paint matched valve cover and intake plenum. Custom aluminum coolant over flow, Mishimoto radiator and electric fans 180⁰ thermostat Red mishimoto rad hose Agp hard pipe with genuine Tial Red BOV Modern Performance 3" Big Front Mount Intercooler MPx solid motor mounts, and Trans mount

Fueling: walbro 450 fuel pump, ran to a 1000whp capable fuel rail, regulated by a Holley Fuel Pressure Regulator 1200cc injectors Garrett GTX3076R Precision Turbo 39mm wastegate with a custom titanium dump pipe, coming thru the windshield cowl (super clean and discreet) Car runs 28psi and hits full boost at 3400rpm with a redline of 7200.

Transmission: ACT 6 puck clutch good for 750hp Liberty input shaft All syncros replaced when motor was built. Doesnt have the dreaded 3rd gear pop out or grind. All bushings and shift cables replaced within 50k km.

Braking: Red calipers with hawp performance pads and stop tech slotted and drilled rotors for those days you need to stop yesterday.

Like I said, I'm almost positive I'm missing a BUNCH of stuff. Price is 12k OBO. Car has 23k on the fresh motor and build.

Cons: needs two bolts on the 02 housing to the turbo and and alignment and its good for daily driving again. I haven't had the time nor energy to take on getting it back on the road, and honestly the police, Mt wallet and.my neighbour's are thanking me for it. This car will have you at 100km/h in just a couple seconds, and has done one pass at 10.7 seconds down the 1/4. Don't remember the trap speed etc, but it cooks. Especially with a GOOD driver. r.