My car starts and drives with it hotwired but when i install the ignition it cranks but wont start.why wont it start with the ignition installed?

SOURCE: 95 Acura Integra starting problem

This happened to me on a 95 Integra GSR and the entire starter did not need to be replaced, just the solenoid pieces. They get old and worn down and the plunger no longer makes a good connection with them, hence the "click". Replace the solenoid panels and sand the plunger and your good as new. You can find instructions for this on the net, just do a search for it.

SOURCE: 2007 Jeep Wrangler Unlimited Sahara

SUBJECT:
Long Crank Time Due To Possible Contact Of Camshaft Sensor To Camshaft Gear
OVERVIEW:
This bulletin involves the replacement of the engine camshaft sensor.
MODELS:
2007 (JK) Wrangler
NOTE: This bulletin applies to vehicles equipped with a 3.8L engine (sales code
EGT).
SYMPTOM/CONDITION:
The customer may experience one of the following conditions:
a). Long engine crank time.
b). Two engine start attempts prior to engine starting.
c). Due to the “TIP Start Feature” on automatic transmission equipped vehicles, once the
ignition key / switch has been released from the “START” position, the starter may stay
engaged for up to 10 seconds while the engine attempts to start.
The above conditions may be due to the position of the camshaft sensor to the camshaft
gear. The sensor spacer gasket may have come loose during engine assembly and
caused the camshaft sensor to be adjusted too close or in contact with the camshaft gear.
DIAGNOSIS:
If the above condition is present perform the Repair Procedure.
PARTS REQUIRED:
Qty. Part No. Description
1 04686353 Sensor, Camshaft

SOURCE: 98 acura integra.....not getting spark to

is there power at the coil's electrical connector(key must be set to ON? Is some of your warning lights not lit(that normally light-up when key is on) such as airbag, abs, engine, battery etc??? If you answer yes to any of this, your ignition switch has failed. Acura/Honda models 97-02 have a recall on this in 2002 approx 1.5million vehicles affected. Symtoms include, intermitted speedometer/tach fluctuating to zero while car is in motion, intermitted stalling or no start(symtoms increase in hotter weather). The electrical contacts on these ignition switches are faulty causing shorts and archs within. Therefore power supply to vital engine electrical components are cut off. If this is the case, call your local Acura/Honda dealer with your vin# at hand, your vehicle may qualify for a free repair. Hopefully this helps....please rate thanks!!

SOURCE: 2000 Silverado-4.3 ltre-cranks over-wont start-consistenly

Yes. First, in the fuse block under the hood check INJ A fuse and INJ B fuse. INJ A fuse is circuit 1039 which feeds the coil. If the fuse is OK, replace the coil electrical connector. I stock 2 of these at my dealership because they are needed quite often.
FYI P1351 is an ignition coil control circuit DTC.

SOURCE: Acura 1992 Integra Hatchback wont start. It turns

Duh, check the coil.