C/K :: Vortec 350 - SES Light With Code P1509 (High Idle)


Aug 12, 2013

Got my first truck with a 350 Vortec engine, 244K miles. I've got a SES light with code P1509,

"DTC P1509 Idle Speed High - Idle Air Control (IAC) System Not Responding"

That's the only code that's thrown. The engine idles around 1000 RPM and will sometimes surge while driving between 1200-2000 RPM. I googled this code but not much came up. I've seen that a multitude of things can cause high idle, but since I'm getting a code with the symptoms, is this a pretty clear cut case of needing to replace the IAC valve?

View 12 Replies

Advertisement

C/K :: 1998 K1500 5.7 Vortec Misfire At Idle But Only When Under A Load

I have a 98 k1500 5.7 vortec. I was driving and the next thing I knew my truck lost power and would misfire at an idle but only when under a load (in drive with foot on brake). The last time something like this happened an injector came out of place. So that's where I started. I wound up changing the whole spider injectors and ALL the gaskets, upper and lower. I put everything back together and the problem was still there so basically I am back to square one.

I then pulled spark plug wires while running to see if I could isolate the misfire and found that I could pull all 4 wires on the passenger side without any difference in while it was running. So basically my truck is currently running on 4 cylinders and they all happen to be on the driver side. I checked my compression on the passenger side and all 4 cylinders have 180 psi so that rules out the head gasket being blown. I am getting 4 codes , 520, p1345, p0155 and p0161. I know that i have to get tge truck properly timed with a computer but i don't think that would cause my problem.

View 5 Replies

Scion - Tc :: 2005 - CEL Light Came On For Code P0456 And High Engine Idle

Recently my 2005 scion tc CEL light came on and I diagnosed p0456. At the same time when I turn the car on in the morning it idles at 2k RPM for about 3 minutes and then the idle goes down to around 900. If I park and return to the car within 2 hours the idle stays down but if I wait it goes back to 2k and I have to wait a few minutes for it to come down. My question is whether this is related to p0456. What could be wrong and how do I fix it?

View 2 Replies

Cavalier :: PO340 Code - Rev High At Idle Or Low Speed

This is the code that comes up on my 2002 2.2 Cavalier. Camshaft sensor bank 1. After a lot of research I was led to believe it was most likely the upstream 02 sensor. Replaced it, engine light still on. Wipe codes, light goes off, turn off car, turn back on, light back on. What other possible problems could be causing the light to be on? It's been on the entire time I've had the car which is 3 years. I've had it e tested with the light on and it's passed with flying colors. It's up for an e test, actually I have 5 flipping days to figure this out, have it e tested and get a sticker for it.

I've been trying to figure it out for well over a month since I realized an e test was due and they've changed the way they do the tests now, they told me even tho the light most likely has nothing to do with the emissions they can't test it if the light is on period. I was told to start pulling fuses because it could be something as simple as a bad fuse. The car is in relatively good shape under the hood, no major problems and much of the car is still factory. No weird symptoms other then sometimes it will rev high at idle or low speed but as soon as I get to 4th gear it always balances out.

View 4 Replies

Camry :: CE 2000 5S-FE With Code P0770 And High Idle Speed

Camry 2000 CE 102,xxx miles. My car died in Jan 14, after have P0770 for while, only Reverse gear work. The mechanics said the tranny need to re-build. I had him bring the tranny to tranny shop to re-build ($1650), then the code still pop up. Brought it back, they said the ECU needs to be reset. I had the car next day then that code pop up again!

They replaced the Solenoid E. The code is still there. Brought the car back, they took the tranny to rebuild it again. Drive the car for a day, the darn code pop up again, now they blamed on the ECU. Ok my mechanic guy replaced it at my own cost for part ($150) but the code is still there. This time they blamed on the high idle rpm approx. 1600-1800. My mechanic tried to fix the high idle speed so the tranny stop blaming other causes. He cleaned IAC valve, replace O-rings (I don't remember the location of them) then he said whenever he inserted the new ones, they start to crack!

View 1 Replies

Ford F-150 - 1997-2003 :: High Idle - OBD2 Code With 1506?

corrected vaccum leak. Still high idle and obd2 code 1506???

View 14 Replies

Yaris/Scion & Vitz :: 2003 - High Idle With Warm Engine - Getting Code P0511

I have a 2003 Toyota Echo 1.5. About a year ago the cel went off and on intermittently and I got a p0511 code. For the past few months, the light has stayed on steadily except for a 2 week period when it stayed off. When the cel is on , the car idles slightly low for about a second just after start up. When the engine is warm, it idles steadily about 400 rpm above normal idle. When the cel is not on, the idle is perfect both at start up and when the engine is warm. I did take off the IAC and cleaned it, but it already looked spotless inside and seemed to operate smoothly.

View 2 Replies

Honda - Accord :: 2008 - After Cleaning Throttle Body Getting Code P0507 - High Idle?

08 Accord. After replacing the starter and cleaning the throttle body I keep having a CEL and the P0507 code.

Checked for leaks around intake, vacuum lines, etc. found none.

Tried the relearn procedure and still no luck. Car idea higher than normal ( just over 1000 rpms warm). Also feels like it wants to pull even when stopped.

So I figure I have either:-damaged the throttle body somehow cleaning it- Have incorrectly implemented the re learn procedure- missed a vacuum leak ( possible but doubtful)- or something else I don't know about

View 10 Replies

Golf/GTI VI :: 2010 Mk6 - High Idle At Stop Light

My car is a 2010 gti mk6, unitronic stage 2, apr turboback, r8 coilpacks, stock intake with k&n drop in filter. Several months ago, it started throwing CELs, P2096 post catalyst fuel trim system too lean bank1. I cleared it. It kept coming back. Sometimes it threw P2293 fuel pressure regulator 2 performance but I read it via VCDS, it should be P0088 Fuel Rail/System Pressure too high - intermittent. it was accompanied by some high idles at stop light e.g. at constant 900, 1000 or even 1200rpm occasionally. but the car drove well, seemed like nothing wrong.

High idle youtube link: [URL] .....

I changed the front o2 sensor but the problem persisted. Then I thought it was the MAF, I unplugged it, oil consumption improved but high idle and the above P2293 persisted. Recently, the high idle appears more frequently. I now suspect it is the PCV valve. I took off the oil cap this morning, felt some suction, the engine shakes a little and exhaust sounded a little rough but rpm didn't change. Taking off the oil dipstick showed the same. Is it the pcv valve?

View 5 Replies

Chevrolet - Vortec :: 1998 - Pressure Won't Drop?

1998 chevy vortec 350. replaced fuel pump(twice),fuel filter, blew air through the lines, replaced fuel pressure regulator. Getting correct voltage at pump. pump runs. still only get 30 lbs of pressure. Need 60. Thought I bought a defective pump took it back. Same result. Doesnt leak anywhere I can find. Pressure doesn't drop. Just plain don't get the 60 lbs it requires. New battery as well and new F.P. relay.

View 6 Replies

Tiguan :: Idle Running Too Low Or High / Check Engine Light Came On

Went to the dealer because my idle was running both too low and/or too high, check engine light came on.

1) Replace air intake manifold because air flow flap is faulty.

2) Oil leak out of upper and lower timing belt covers - need to replace gaskets.

3) Missing!!! the high note horn

View 1 Replies

Saturn - Vue :: Service Engine Soon Light / High Idle Condition

I have a 2002 Vue with an annoying "service engine soon" light problem. When I first took the car in to have it scanned, codes 171, 172 came up, which were "Fuel too lean Bank 1/Bank 2". It also has a problem with a high idle condition where the idle will creep up to 2000 rpm when parked, and a vacuum leak. My mechanic fixed the vacuum leak and replaced the gaskets on the intake manifold plenum, reset the light, gave it back to me and within twenty miles the light came on again. It only has 20,000 miles on it....

View 2 Replies

Caravan/Voyager :: Idle (RPMs) Were Very High - Check Engine Light On

My check engine light came on today and while driving, the idle (RPM's) were very high. At about 80KMs, it was about 3500 and when I accelerated, the engine would race along with the RPMs. While stopped, idling seems fine. I couldn't get over 80KMs/Hr without the idle going too high.

What it could be? Haven't had time to check codes as it is long weekend and garages are now closed till tuesday.

View 13 Replies

C/K :: 97 305 Vortec Crank With Normal Starter Sound But Not Fire When Turn The Key

I have a 97 chev c/k. 305 vortec 5 spd manual with starting problem. If I turn key to crank it will crank with normal starter sounds but not fire. If I crank for less than 2 sec and release key it starts. Found this when cycling fuel pump to build pressure. Has spark when cranking but not starting. Runs great once started. Truck has 58k (low) miles, all orig.

View 8 Replies

Sierra :: 1998 GMC With 5.7 Vortec Engine - Random No Start Condition

My Sierra has the 5.7 Vortec engine with 230,000 miles. Ever since I bought the truck at 208k I've been having a random No-Start condition... It can be cold, warm, or not ran for weeks. I've replaced the Fuel pump (just the pump, not the sender too), MAP sensor, ICM, TPS, and Camshaft position sensor. I'm still thinking its a fuel issue. I get 61 PSI at the test port when ignition is on, 55 when cranking, and 54 while running.

View 3 Replies

Celica :: High Idle - Stay Revving At About 2000 RPM And Check Engine Light Is On

I've just done an engine swap to my 2000 GTS Celica. The new engine seems to run nice and tight and smooth and everything but I can't seem to bring the idle down. It stays revving at about 2000 RPM and the check engine light is on. The engine is from Japan and only has 35,000 kms. on it.

View 14 Replies

Lexus ES 2007-12 :: Cold High Idle With Very Light Lifter Tick Sound

I have recently bought a 2007 ES350 that's runs fantastic considering I bought it with high miles from the Lexus dealer (149k). I live in warm climate area and I notice that even though it's not cold out in the mornings my car idles high (at about 2k) for only a few minutes 2-4 tops then starts to drop to normal as it warms up. It hurts me to hear it as I'm not use to this and I worry that it may cause damage to my engine due to oil not being circulated properly yet.

Most importantly, ONLY when cold, I hear a very light knocking sound, kinda like a bad lifter tick, but by the time I get to my daughters school which is about 5-6 miles away it goes away and sounds normal at that point. Had me very concerned as I just bought it less than a few weeks ago and I'm afraid something was wrong and dealer may been able to mask it at my point of purchase and now its starting to rear its ugly head.

This is my first Lexus ES350, not really sure if it's normal or not. I can tell you, when it warms up, I've jumped out of my car and have put me ear to the good and can't hear the tick. Should I be concerned? Is high idle with tick normal if it goes away when it warms up or is it a fair warning something is bad or about to go bad?

View 14 Replies

Ford F-150 (2004-2008) :: Wrench Light And Random High Idle After Driving?

I've got a 2006 F150 FX4 with a 5.4L 3V

A couple of months ago, I got a random "amber wrench light" on the dash. After I shut the vehicle off, it would go away. Over the last month, it's been coming back on more frequently....pretty near every time I drive the truck. I'm also noticing a bit of a dead spot in the pedal at times....though it's never failed me completely.

After a quick Google search, I was led to believe it could be a throttle body issue. Before replacing the throttle body, it was suggested to remove and clean the throttle body itself....which I did.

I'm still getting the amber wrench light, but now I'm also getting a random high idle after driving. If I throw it in park, it will idle up to 2,000RPM. I initially assumed I may have created a vacuum leak of some sort, but when I shut the engine off and restart it (or even blip the key off and on again quick before the engine dies, it comes back to life and idles fine? This tells me that it isn't a vacuum issue.

The strangest part, is that it's not tripping any codes what so ever?

View 14 Replies

Camry :: 2004 - High Pitched Whining Noise At Idle / Battery Light Flicker On And Off

Yesterday as soon as I started my car, I noticed a high pitched whining noise. As I drove, it seemed to stop, but as I slowed down and idled, it came back. After driving a couple miles, the battery light came on, so I turned off the AC, radio, and lights and it went off again, but as I sat at stop lights it would flicker on and off again.

View 4 Replies

Ford Ranger / B-Series :: High Idle / 2600 RPM When Pushed The Clutch In Approaching A Light

I have a 1997 Ford Ranger XLT 6 cyl. 4 wheel drive. I got this truck from a friend. Only had it for a month or so has about 185K on it but has been running great.

I did notice a couple times that when I pushed the clutch in approaching a light the truck would jump a bit in RPM to about 2600. but go back down in a second or two.

This started to occur more frequently and now it does it almost all the time....when I push clutch in it revs up to about 2600 RPM.

Now I can have my foot on the brake and let the clutch out to put some strain on the engine and knock the RPM down but its still a bot high in the 1k range. Sometimes it actually goes back to normal...

When I started it this morning it was fine....but after two shifts it started and lasted the 12 miles to work. What could be causing this? It does not seem to go above 3000 RPM when it revs.... Other then that the truck runs great.

View 5 Replies

Ford F-150 - 1997-2003 :: 1999 - Service Engine Soon Light On Sometimes At High Rpm Or Rough Erratic Idle

My trucks symptoms include a illuminated service engine soon light, sometimes a high rpm idle, and sometimes a rough erratic idle. When a scan was done it indicated the oxygen sensor was defective. The issue is: which specific one (there are multiple oxygen sensors) or how could I check or determine the faulty one for sure. I am trying to economize and replace only the bad one myself if possible. I own a good multimeter, can it determine the bad one? 1999 F-150 4.2 Litre V6 oxygen sensor dillemna....

View 7 Replies





Copyrights 2005-15 www.bigresource.org, All rights reserved