Question about 1991 Toyota Camry

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Alternator overvoltaged, car won't start no spark.

Changed efi fuse that was blown
changed coil
changed igniter assy.
changed alternator

still no spark

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Look in the fuse box under the dash for more blown fuse, advise of which ones are blown.

Posted on Dec 08, 2008


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No spark

PLEASE, up date your posts and not post 5 posts.
update it and tell the full story 1 time. THEN ADD TO IT, and please not start a new post. for 1 problem.

first off , i answered in details how to test the nostarts for just that.
but in another post its a blown fuse. then you fail to say which it is
or if it RE BLOWS> that is a big problem , posting

first off here are the no start rules. (you lost spark , got that)
1: check fuses, if the fuse blows again, this is JOB 1. spark is later. much later, the ECU can no process data, if there is no 12vdc POWER , it cant,
nor can it glow the CEL /SES lamp in the dash, IT cant.
The ECU in this car makes spark and fuel happen.
there are 3 fuses to blow that can kill the ECU dead.
so the first JOB on all modern EFI cars, is to get the CEL TO GLOW.

your problem on car is not NOSTART
its NO power
no 12vdc power to the EFI system parts.
is the battery charged?
12.6vdc rested, or at 11v. ?
this is first.
then does that fuse keep blowing. i bet does, my gut feeling.
and which fuse?
if the fuse blows, we must to short testing
we have great videos to cover that, very detailed,....

the honda, has free operators guides
and full FSM , for free... ask.

Jul 09, 2014 | 1991 Honda Accord

1 Answer

Hooked battery up wrong on 1992 explorer, stereo smoked and now the windshield wipers won't shut off. No blown fuses just popped the line circuit from starter relay to alternator. Replaced battery...

you must RUN the scanner/computer for easy diagnostic, and fix it.
Remember the electronic vehicle is very complicated, You can have some faulty: PCM+ignition coil+BCM+sensor+etc.
see the diagram attached.
God bless you773eec03-745a-4c7c-97a8-237db8219639.jpg

Jul 23, 2013 | Cars & Trucks

2 Answers

Shorted out alternator by mistake , now the car won't start. 125 amp fuse replaced.

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------


This will help.


Feb 27, 2012 | 2004 Toyota Camry

2 Answers

Car won't start & there was gas in the spark plug still...How do i fix that?

try to start the car and all it does is click, changed the battery and the battery post connections

Nov 25, 2010 | 1987 Mercury Grand Marquis

1 Answer

Wont start and getting no spark

If the charging system is not putting out the required voltage, is it the alternator or the regulator? Full fielding the alternator to bypass the regulator should tell you if it is working correctly. Or, take the alternator to a parts store and have it bench tested. If the charging voltage goes up when the regulator is bypassed, the problem is the regulator (or the engine computer in the case of computer-regulated systems). If there is no change in output voltage, the alternator is the culprit.

When the engine cranks normally but won't start, you need to check ignition, fuel and compression. Ignition is easy enough to check with a spark tester or by positioning a plug wire near a good ground. No spark? The most likely causes would be a failed ignition module, distributor pickup or crankshaft position (CKP) sensor.

A tool such as an Ignition System Simulator can speed the diagnosis by quickly telling you if the ignition module and coil are capable of producing a spark with a simulated timing input signal. If the simulated signal generates a spark, the problem is a bad distributor pickup or crankshaft position sensor. No spark would point to a bad module or coil. Measuring ignition coil primary and secondary resistance can rule out that component as the culprit.

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Sep 06, 2010 | 1996 Jeep Grand Cherokee

3 Answers

I have an 2002 toyata camery.The alternator fuse

Hi, battery light means no charging from alternator, could it be that the alternator is faulty and blew the fuse, try another alternator, good luck.

Feb 23, 2010 | 2002 Toyota Camry

1 Answer

98 tiburon fx. battery blew up driving down the freeway. replaced battery, car wouldn't start. replaced crankshaft and cam sensors, along with coil pack. noticed a blown fuse for rear defogger and...

The reason why the battery blew up is because of a deffective alternator. The charging regulator on the alternator has malfuntioned, and caused the battery to be overcharged. The reason why your car wont start is because overvoltage has damaged some of the electronic sisytem in the car associated with the ignition system.

Nov 14, 2009 | Hyundai Tiburon Cars & Trucks

1 Answer

Ignition module engine not firing

The mechanic should check if the battery is ok and full charge.After checking the battery the mechanic should check on the wires from the ignition switch ,the fuses ,ignition assy. , the rotor, coil , the solenoid , the sensor ,the the alternator, the distributor assy. ,the spark plug cable wires , and the spark plug.For these can be the sort of problem that can be the cause of engine not firing . these could be the problem of the car. Because if the engine is not firing then no electric is rotating .or less current or electric is rotating to the car.And its better to do such total checking so that you won't spend to much time repairing the car. But its been fixed for sure, If these parts are dirty then clean it too.

Aug 11, 2009 | 1990 Ford F150

3 Answers

What is the ALT 80 fuse under the hood? 1990 4runner

Alternator ? Is your alternator charging? What type of electrical problems are you having.

Jan 31, 2009 | 1990 Toyota 4Runner

1 Answer

E,f,i fuse! what else is coverd by this particular fuse?

the way you are saying it sounds like the alternator is going bad which will directly affect the ignition sys, being an old vehcle i would suspect the fuel pump shorting out

Nov 12, 2008 | 1987 Toyota Supra

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