Celica :: 1985 GT - Warm Start Runs Rough?
Mar 7, 2013
I'm working on my sons 1985 Celica GT 22RE. He was having problems with it running rough.
I've isolated it down to the number 1 cylinder being starved on warm starts. If you cold start it the problem does not occur but if you let it sit warm for 15 minutes it will fire up but nothing from number one cylinder. Lots of spark but no firing. So I'm going to tear down the EFI and move the injector to see if the problem follows it. Will probably see if I'm getting any voltage to the injector while rough before tearing down.
I can't find anything about an injector not working once warm so I'm thinking it may be an ECU problem.
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My 2001 V70 24T runs smooth when cold as it warms up it runs rough with delayed acceleration reaction ....
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I have a 1986 Celica GT-S with 50,000 original miles on it. Car starts perfectly fine in the morning, runs fine, no issues. Problem happens when the engine is warm, and I let it cool off for about 10 minutes or so, at that point, when I try and turn the engine over, it would sometimes turn over and idle very rough, or sometimes it would die and I have to give it gas to keep the engine running. Once I am able to get it in gear and drive, the engine rpm would recover and go back to normal. I have new NGK wires, denso iridium spark plugs.
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2004 F250 V10, runs good until it warms up whether it's hot or cold outside. While on freeway, it really shakes while cruising, but of you get in the gas enough for a kick down, seems to be pretty smooth. I've changed the coils, and 9 plugs (one wouldn't budge, but the others I took out looked fine) to no effect. Where else should I look? Also, no CEL, and no codes, which seems odd as bad as it feels...
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I have a huge problem. My 94 ranger 2.3L 5 speed manual transmission, has problems with idoling while it's cold, has no power going uphill and stalls when I slow down to stop. This is all after putting a new motor in. The old one was running ok with 310,000 but lagging bad. I figured with the driving I do, a new motor wouldn't be a bad thing. Boy, was I wrong. It has been a nightmare. But once the truck is up to operating temperature, it runs so smooth you wouldn't think there was a problem. But let it cool off, restart, and boom! There it is. We have changed so many parts and sensors with absolutely no change to the original problem. It's very frustrating. I just can't let this problem win. I will figure it out.
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I have a 90 celica. I start it up and it idles fast until it warms up. then it runs great until i turn it off. then it will not restart! i went to the gas pump. it would not start after i pumped gas. it turns over but wont start. the next day it starts up fine. it does this all of the time. when it wont start there is no spark coming from the coil except when you let up on the keyl it sparks once.
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I have a 1985 Toyota Celica Gt-s, and i have quite a bit of oil in the radiator. The car does not overheat, and I am wondering what exactly causes the oil to get in the radiator. I just purchased a full engine gasket set, and a timing kit. I am going to replace the headgasket, and the timing. I am not sure if the headgasket is the reason oil is in the radiator, but I am hoping so. Also there is no water in the oil, just oil in the radiator.
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So this is a strange and unsettling problem:
I recently filled up my tank, drove about 45 miles on the highway and when I got out I noticed that gas was leaking out of the fuel filler cap. So I decided to open the cap to alleviate some of the pressure, but when I did that, a TON of gas came pouring out of it into the parking lot...
The pressure on the tank has always been kinda high in my opinion and there are times that I can smell gas when I'm driving along, but this is new. I tried looking for kinks in the lines, but there are none. I can't smell gas coming from the engine bay either.
Roll over valve? Pressure regulator? I mean there's not a whole lot to the fuel system.
things of importance, if at all relevant: 209k, Manual
Just did the fuel pump, but TRIPLE checked for kinks in the lines before reinstalling the fuel tank, and they're all pretty visible under the car anyway...
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I have an '85 245 that runs unevenly and now starts hard. I got a Noid Light to check the injectors. My question is: Should the light blink or flicker?
This video: [URL] .... shows the light blinking but it's not an '85 volvo. The wiring diagram for mine shows all the grounds connected together which could (I think) cause them all to inject when any cylinder fires, and thus cause (observed) rapid flickering, but seems like a waste of gas.
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My battery on my Celica wouldn't hold a charge, as if my alternator was faulty but i took it to Azone and it was fine. Replaced battery around a month ago so i doubt that's the problem..checked fuses and "charging" fuse in fuse box next to battery was not getting current to i ran direct current to from battery it and it seem to have fixed the problem for about a DAY, then fuse blew..replaced it but it still seems to have the same problem ): btw the battery and brake lights stay on..
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I purchased a 1985 celica GTS, convertible, rear wheel drive. I am having a problem with the drivers side power window. I can raise and lower the window with a direct 12v battery hook up to either the lift motor or from the terminals that connect to the switch. The switch will lower the motor but not raise it. When activated to raise the window you can hear the motor enterguise but will not lift. I check the voltage at the switch and I am getting 12 volts. What should I check next?
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My 99 250, 7.3 is having some strange issues as of lately. When I start it in the morning, when the engine has fully cooled down, it starts right up, then it throws the "wait to start light" runs real rough and just shuts off. Run the glow plugs a few times, start it up and it will do the same thing for maximum 30 minutes, then all the sudden I start it and it runs fine. I've replaced the fuel pump, cleaned the fuel bowl, new fuel filter, I just don't know where my problem could be. It doesn't make sense. But once I get it running and it warms up, runs fine all day. Go to bed, wake up, has problems again.
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1995 G20 5.7L... This van runs great when first started and continues to run fine after it's warmed up and will do so until it’s turned off and restarted. When first started vacuum at idle is steady at 21” and 10” at 55mph cruising speed. I can continue driving for an hour or so and it will continue to run fine. It's only when I shut it down and restart after 20 minutes or so that I have a rough running condition. After parking for 10 to 20 minutes and restarting idle is still steady at 21” vacuum but the van hesitates on acceleration and runs rough at cruise with a 5” vacuum. If I continue to drive I get low vacuum trouble codes for the MAP and Oxygen sensors. I’ve replaced the oxygen sensor and performed a diagnostic on the MAP sensor which checks out ok. I’ve checked for vacuum leaks – none found. I've replaced the spark plugs, cap and rotor. What to look at next?
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I'm having a weird issue with my 1998 Ford ZX2. The car is very hard to start when cold and it runs extremely rough, but only through my first acceleration under load. In other words, I can rev the engine a few times while in neutral, and it will run very rough, and once I start driving, it runs really rough through my first acceleration, but then it smooths out and runs fine from then on until I stop it and let it call off for 30 minutes or more. If I restart it within 30 minutes or so, everything is fine, but any longer that that and the problem reappears.
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I bought a '99 MX-5 in the fall with 100000 miles on it. Most of the time it runs fine. But about every two weeks when I go to start it it will run real rough like its only hitting on three cylinders then will eventually smooth out after anywhere from 5 seconds to 2 minutes. But today it wouldn't start at all. Finally started just fine after trying for 15 min. My mechanic changed the EGR valve but it hasn't worked. The check engine lite stays on all the time but when it starts rough the lite will flash.
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96 civic 120K miles, stock, automatic.
In March I was running low on fuel, maybe 1 gallon left in the tank. It took a few cranks and on the last try i gave it a little gas and it started, albeit very rocky for about 1 minute of driving, filled up immediately and 2 freeway miles later, no real issues. I live in LA so very low ambient temperature is not a problem.
April through May, starting was a little rocky, it was inconsistently rocky too, sometimes there was no problem. Usually it's weak, stuttering, sometimes just cranking but I seem to get it to start. I stopped giving the pedal gas because I read that's bad (I own a vintage bike, so it's news to me). I don't drive that far and figured I'd try some Seafoam and some freeway miles would clean out any debris. Worked for that tank a bit for the next tank before the problem came back.
Still getting the rough starts, but now when I give the car gas as I pull out sometimes it doesn't accelerate for 15-30 seconds, maybe 25 yards then it drive like normal. No dying at all but getting worse with starting up.
I've tried turning the key (not turning the engine over) 5 times and cranking on the 6th and it seems to work. I thought maybe it's the fuel pump or fuel filter but read it could be an ignition coil/ spark plug/ spark plug wire issue. Two different ball games.
My MPG is not really droppingI had a new fuel filter put in in February as routine maintenance (thing was on so tight had to bring it to a shop so no rookie mistakes there). Timing belt &water pump replaced 6,000 miles ago
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Why my car sometime start up really bad and even stall when the RPM drops down to 0.... This usually happens on a cold start up. What I should do?
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I am working with a friend on his 99 Ranger with a 4.0 . When first started it will idle rough and hesitate for the first 300 feet or so, and then clear up and run smooth the rest of the day. If he lets it set for 6 or more hours it will repeat the problem. He has taken it to a local Ford dealer and they have replaced spark plugs, plug wires, coil pack, cleaned the throttle body, checked the air idle motor and passage.
He has had it to the dealer 3 times and their latest plan is to pull the heads @ a cost of 1500.00 to start. Since it runs well, no coolant in oil or oil in coolant nor loss of either fluid, I couldn't figure why they want to pull the heads.
To date it has not thrown a code, I ran it on a New Generation Star tester and cannot find a code. The truck runs great after the first intial start up and does not give any signs of cutting out or lack of power. My guess is it is losing fuel pressure overnight and is taking a while to reprime. Original fuel pump and 160K miles. Will do a fuel pressure test this weekend.
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I have a 1999 Ford Escort SE wagon with 112k miles on it. Last week when leaving work my car started very rough. This was unusual so I killed and restarted the car about three times before letting it run it's course (~30 seconds), after which the car ran fine. About a week later on my way to work the car seemed to 'sputter' (for lack of a better word) when I pushed down on the petal looking for some power on two separate occasions. On each side of the sputters the car seemed to respond fine, but when it did sputter there was a severe lack of power. I got to and from work just fine, but while letting the car idle in the parking spot of my apartment for a minute before shutting off the engine the check engine light finally came on. The following morning the car again started rough (as if it were misfiring/running on 3 of 4 cylinders) and this time it took a good minute before smoothing out. However, after the car smoothed out I experienced no issues on the way to work, no sputtering, no loss of power, nothing. Doing some initial online research I feel that the problem may be one (or more) of the following:
-Fuel pump
-Vacuum lines
-O2 Sensor
-Spark plugs (they are original)
-Fuel Filter (it is actually past due for replacement)
I plan on getting this checked out ASAP, but that still may be 2ish weeks away with my schedule. Some similar reports say that I may be having a 'lean mixture' issue (not getting enough fuel), but I haven't had the time to check the code. My question is, how "safe" is it to continue driving my car with the current situation? Is it at a super high risk of failure/random stalling during rush hour? Will it cause any damage to the engine if there is a cylinder misfire upon start up? I was also wondering if the car would be reasonably reliable to drive on a ~400 mile road trip on an upcoming weekend, but I am making plans as if it is not.
Additional Details:-Tried charging the fuel lines (car to 'ON' then 'OFF' position 3-4 times), had no effect on the morning start-up-Commute to/from work is about 20 miles
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About 2 weeks ago my 1997 Buick Park Ave (115,000 miles) began running bad during a heavy rain storm. It was running fine. Then all of a sudden at a stop light the motor hesitated and wanted to stall. I nursed the gas peddle and limped home and turned the car off. The car hesitated and sputtered all the way home as if I was running out of gas.The next day the car would not start. It turned over but would not start. I tried starting the car for three days. My mechanic friend later diagnosed the car and stated the computer was not functioning correctly. He replaced the computer. The new computer seemed to correct the problem.
The car ran great for the next 2 weeks. Yesterday, it was raining hard while I drove the car about 150 miles without any problem. Then suddenly again the motor started running badly. Again, the motor wanted to stall and hesitate as if I was running out of gas. I limped home again. This morning I tried to start the car without any luck. In addition to installing a new computer, In the last 2 months I have changed all the fuel injectors and installed new spark plugs.I have also changed the fuel pump and repaired the fuel tank. My mechanic say the cam sensor and crank sensor are operating correctly. There is spark coming from the coil packs and to the spark plugs. I do not want to randomly change parts.
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