Truck Struggles To Start But Runs Fine

This condition where the engine needs more fuel cold is called cold start enrichment. Don’t make the common mistake of replacing the solenoid.


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Discussion starter · #1 · 5 mo ago.

Truck struggles to start but runs fine. Truck starts fine when the engine is cold. The truck runs fine on a flat surface but i can barely get it up to 40mph on a hill. Repeat this a half dozen times.

The dash lights and accessories flashed on the first time and the starter turned over but quickly died. Either way it's best to have an idea of what's wrong before you start the repair, or when you are taking your car in for repairs. I can have the pedal to the floor and it barely stays running.

Now try starting the engine. And, yes the starter works just as it should, the engine cranks as fast as you would expect it to. Right after starting, it seems like it isn't getting fuel or air or something.

Check the age of battery, and if it is past its lifespan (ex. If it starts right up then the check valve is the problem. Like i said in the title, when the power is turned on the motor does nothing.

Car will even almost start just missing that last step. I told him i'd like to mess around with it and see if i could get it working. This usually takes about 4 to 5 seconds before it starts up.

However, in most situations, an engine that’s hard to start has nothing to do with its overall health. I tried to start my car, but it seemed like the battery was dead: Once it does start, it doesn’t run well.

However, once the engine warms up, it runs fine and will restart just fine. It goes away after a few seconds, truck still starts and runs fine. I have a 98 chevy c1500 with 289,000 miles, and i've been having a problem with it starting when its warm, after it sits for about an hour or so, it takes about 2 tries to get it to start and after its running its fine, i put in an acdelco fuel pump, check pressure all is good, new injectors, new cap, rotor, wires, plugs, coil, icm, ecm, cam sensor, crank sensor, and ignition control module.

Bad engine temperature coolant sensor; Enrichment meaning a higher ratio of fuel to air. When the truck goes over 4000 rpm the check engine light flickers for about 20 seconds, and at that point the truck loses acceleration and then it goes back to normal.

60 months, 72 months, etc.), then replace the battery instead of wasting money on recharging or diagnostics since that may be the only cause of the starting problem. It may also store trouble codes p0172 and p0175. Nothing at all happened the next few tries.

I get a clicking sound coming from the dash area when key is turned on position? If either of those wires are making a poor connection or have become broken or corroded they could be giving a weak signal or insufficient power for your car to start. It just runs very wispy, in fact gasping is the word i want to use.

This can happen when the check valve in the fuel pump assembly leaks pressure back into the fuel tank. The error codes i have are p0300, p0302 and p0306. This cycles the fuel pump enough times to reprime the fuel system.

Sometimes this issue makes your car hard to start but runs fine once it gets going. 05 camry hard to start when warm long crank time 1 answer. Keep reading to see the main causes of a car or truck that’s difficult to start, especially in cold weather.

However, if i let it sit for more than a half and hour, the truck struggles to start. If the car does not get the proper enrichment when cold, it will have trouble starting, or run poorly until the engine warms up. When trying to troubleshoot why your car struggles to start but runs fine, the alternator will often be the culprit if you are positive the battery is in working condition.

The alternator generates electrical power and plays a huge part in the vehicle’s charging system. They seem fine to me. First check the terminals to make sure the connection is not loose or corroded.

When the engine is running, the alternator must maintain the correct level of charge in the. Check engine light loses power code p0300 code p0302 code p0306. The truck will start to catch but it won't have enough to actually sustain idle.

The problem likely pertains to something wrong with one of the many electrical components in your vehicle or maybe even the motor oil. It may run extremely rich, which you will notice with rough idle and poor mpg. It cranks, tries to fire two or three times, then finally fires up and runs perfectly smooth.

If that is the case you can try replacing the wires or cleaning the connections. The magnetic field keeps on failing, so the solenoid spring keeps on snapping back. Battery is fine all lights come on in car.

I've got a 1984 mercedes benz 300d that for the last two days doesn't want to start but, after a few touchy seconds, runs fine. When it finally does catch, it roars to life. If i go to shut it off and then start it up again, it starts right back up again with no issues.

Basically, i have this record turntable that my friend was going to throw out. I am only able to overcome the last step when i use jumper cables. Joined feb 10, 2002 · 2,983 posts.

The issue appears as an engine that will crank but has a hard time firing up. Electric motor will not start, but runs if started by hand. The longer the truck sits the harder it is to start.

In order for an engine to start and run cold, it requires more fuel than when it is hot. Try this, turn the key on for 2 seconds then off, do this two more times then try and start it. Truck starts runs fine for 20 minutes and then dies and won't start.

The next day, it started up fine, and i haven't had a problem since. Also, i have looked at the choke and the pull off, but i have not taken them off. Car has new fuel pump and presser regulator,start fine when first started shut off and try to restart cranks with long crank time,if recycle ing car will start fine

So your truck won’t start because it doesn’t have enough power to fully energize the electromagnet inside the starter solenoid.


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