2006 chevy Colorado, 4 cyl engine, 50000 miles, at times when engine is warm it won't restart, when cold no problem, starter turns engine over OK, just won't start, wait 15--30 minutes starts OK... when engine is running it runs good..drives good, Chevy Dealer found no problems, I can find no fault codes when hooked up...
View 6 RepliesFuel Pump and Fuel Pump Relay replaced after 115,000 miles. On occasion, engine will turn over but not crank ... wait 10 minutes and the engine will start. No security light (passlock) or engine trouble codes displayed or recorded. Once the engine starts, it runs smoothly and normally. Problem of starting did not occur until the fuel pump and relay were replaced.
View 4 RepliesMy 2007 Chevy Colorado has an intermittent problem with starting up. It will try to start and labor and without touching the key, it tries to start itself again. If I wait 15 minutes, it starts just fine. Someone said it was maybe the passlock ignition switch or passlock senior, and to fix it the passlock sensor would need to be bypassed.
View 5 RepliesMy Burb starts right up when the engine compartment is cold. Can barely touch the key and the thing fires right up.
Once engine compartment is hot (operating temp), I shut off the motor, let it sit for a few minutes and I get about 3-5 seconds of dry start each time I start it. It fires right up, runs great after that dry start period.
The dry-start behaves as if it's starved for fuel for those 3-5 seconds.
It's a K1500 with a stock 5.7l (350 ci). 180,000 miles and the entire drivetrain runs like a top. Only mod I've made is a K&N cold air intake.
Here's what I've done/changed recently (i.e. within the past 5k miles):
Fuel pump, OEM installed by dealer.Fuel filter.Ignition control module, BWD.Ignition coil, BWD.Crankshaft position sensor, GM OEM.Engine coolant temp sensor, BWD.Oxygen sensors (all four), GM OEM.Catalytic converter, replaced one of the two.Plug wires, BWD.Plugs, Delco OEM.Distributor cap and rotor, BWD.Cleaned ground connection (bolts to frame) for fuel pump.Alternator, new not reman.PCV valve.Battery.
Full diagnostics by a very qualified shop two weeks ago, no bleedback from injector spider, fuel pressure solid and holds perfectly. After 90 minutes of troubleshooting, the mechanics finally gave up.
One last thing with potential that I can think of is that I started running ethanol-free gas around the same time this issue surfaced. Not at the exact time, but at a relatively similar time. Gas mileage has increased by 40% and power increased, hard to blame "bad gas."
All the other cars I had before started better after being warmed up. My 2005 Impala starts perfect when cold first thing in morning but if I go somewhere quick and try to start-up the engine warm it fights it's self and car shakes and it's super rough start . So I figured it's the hot vapors in the engine so I Remove the oil cap and it starts better . What to do to start a warm engine .
View 9 RepliesI have a 99 Honda Accord, 94 K miles, received from Philadelphia last fall. When the car is cold, it idles when stopped (e.g. at a light) fine, but when it warms up, it idles so low it feels like it will stall. Also, once parked, or sometimes idling, a smell of rotten eggs comes form the exhaust. The check engine light remains on, though I replaced the gas cap. Is altitude the culprit? How to fix? It was serviced before I received it and I've changed the oil at 3 K miles once. I mostly drive low miles, locally.
View 4 RepliesMy husband was having to have his truck jumped morning and evening mechanic said it wasn,t a bad battery but changing fuses or swiches wasn,t working. We bought a new battery a day latter wipers don,t work. mechanic buys a used motor, motor works in test colorado but doesn,t work in my husbands truck mechanic is a little stumped.
View 1 RepliesMy ABS light is on most of the time. When I first start the engine it will be on, but when I put the truck in gear, either forward or reverse, it will shut of after moving only 5 or 10 feet. It will stay off for 2 or 3 blocks before it will come back on and stay on until you shut it off and start the process over again. I have replaced the left front ABS sensor and the right front hub an bearing assembly, which has a new ABS sensor in it already. A scanner still says the both front ABS sensors are at fault. I have unhooked the sensors and the ABS motor and unhooked the battery and nothing has changed. All connections look very clean and the pins look straight.
View 2 RepliesStarter clicks wont crank...
View 2 RepliesI have an 05 chevy colorado and I cant seem to get the tailgate to open. When you pull the handle to open it, you feel a slight click like you would if it would open but it wont budge. Ive tried pushing into it and pulling, I've had someone sit in the bed and push while i pulled and nothing is working.
View 4 RepliesCheck engine light has been on and when I checked the code it came up as the cam shift sensor. How do I know if it is the upper or lower and where are they located? I'm fairly mechanical so can I do this myself?
View 1 Replies1996 chevy s10 pickup with 96500 miles. Have been dealing with this problem for more than a year. Replaced master cylinder once, brake booster twice and the abs pump (cost more than the transmission). My new mechanic has bled the lines twice, replaced the master cylinder and brake booster and apbs pump and is now at a loss. The brake pedal will go down half way and stick with a loud vacuum leak 'whistle'. I can pry the pedal back up with my foot and then it will operate find for a few days...then whistle again. I love this truck, the engine is strong (new tranny 9 mos ago) and the body in great shape. I don't and can't afford to get rid of it yet.
View 9 RepliesI have a 2007 Chev Colorado PU (automatic) and whenever I use the brake to come to a stop my rpms surge from 500 to 1000 - both visually on the tach and you can feel it also. When the truck is stoped it returns to noral (750). accelerates fine - shifts fine - fuel economy is a bit down.
View 2 RepliesIt leaks even when the car has been sitting when it rains and I can't see where it is coming in.
View 1 Replies2004 Colorado w 5 cyl. About 4-6 times per year (randomly) the truck will either not start, or the electric locks won't work or the turn signal flashes radically or the electric windows won't operate. Currently the locks refuse to work on any door, but the windows work every where except the drivers door. Mechanics opinions seem to revolve around the body control module, but the error codes, don't seem to support this.
View 4 RepliesI used a OBD scan tool and all it told me was my idle air control system rpm is lower than expected and my evaporative system has a high purge flow. What this means, can I fix it or do I have to send it to a shop. Also when idling the short term fuel trim 1 is at -3% whatever that means.
View 16 RepliesI purchased a 2005 chevy colorado today, and when I got home I found out that the power windows on the passenger side don't work, I can hear a clicking sound coming from the front and rear doors when I press the buttons, but the windows don't move.
View 19 RepliesI have an '05 Chevy Colorado and the front turn signals don't work and no flashers. I've tried replacing bulbs and checked the fuses. Looking for info what would work.
View 3 RepliesI have a 2006 Chevy Colorado, 5 cylinder, automatic, 4wheel drive with 62,700mi. 1st problem occurred in 2013 new thermostat was replaced then in 2015 temp. gauge shows overheating problem again. All diagnostic problems have been analyzed by mechanic and nothing further could be done. Mechanic suggests to take truck to dealer. The temp. reading still shows above normal operation and the engine compartment has signs of overheating also. If the truck driven on uphill range the temp. goes higher I refuse to drive in this condition which will surely ruin the entire engine.
View 2 RepliesI have a 1997 Camaro Z28 with 37,000 miles. A year ago it developed a problem of not starting after driving and being warmed up. The best description is when running errands, after the 2nd or 3rd stop, it will not start. If I let it sit for a couple of hours, then it will finally start, but I have to pump the accelerator to get it to start. If it sits overnight, it starts like a brand new car. When the problem happens, the starter is engaging and the engine is cranking. I have had a mechanic spend hours trying to diagnose this and has had no luck, partially due to the intermittent problem. The car is an automatic, not a six speed.
View 7 Replies2003 Chevy Tracker 4 cylinder. Engine rebuilt and cannot get lifters to quiet down. Replaced 3 times. Bent valves on first install.
View 3 Replies